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Finding the Fourth Proportional to 4,885.81, 7,328.47 and 1,598.47

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Solution

The fourth proportional to 4,885.81, 7,328.47 and 1,598.47 is: 2,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.81 : 7,328.47 = 1,598.47 : x
  2. Step 2: Convert to fraction form
    4,885.81/7,328.47 = 1,598.47/x
  3. Step 3: Cross multiply
    4,885.81x = 7,328.47 × 1,598.47
  4. Step 4: Simplify right side
    4,885.81x = 11,714,339.44
  5. Step 5: Solve for x
    x = 11,714,339.44/4,885.81
  6. Step 6: Final answer
    x = 2,397.62

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Half 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.