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Finding the Fourth Proportional to 6,693.58, 9,240.50 and 4,714.75

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Solution

The fourth proportional to 6,693.58, 9,240.50 and 4,714.75 is: 6,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.58 : 9,240.50 = 4,714.75 : x
  2. Step 2: Convert to fraction form
    6,693.58/9,240.50 = 4,714.75/x
  3. Step 3: Cross multiply
    6,693.58x = 9,240.50 × 4,714.75
  4. Step 4: Simplify right side
    6,693.58x = 43,566,647.38
  5. Step 5: Solve for x
    x = 43,566,647.38/6,693.58
  6. Step 6: Final answer
    x = 6,508.72

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.