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Finding the Fourth Proportional to 7,496.70, 11,245.05 and 4,714.35

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Solution

The fourth proportional to 7,496.70, 11,245.05 and 4,714.35 is: 7,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.70 : 11,245.05 = 4,714.35 : x
  2. Step 2: Convert to fraction form
    7,496.70/11,245.05 = 4,714.35/x
  3. Step 3: Cross multiply
    7,496.70x = 11,245.05 × 4,714.35
  4. Step 4: Simplify right side
    7,496.70x = 53,013,101.47
  5. Step 5: Solve for x
    x = 53,013,101.47/7,496.70
  6. Step 6: Final answer
    x = 7,071.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.