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Finding the Fourth Proportional to 10,059.20, 15,073.92 and 4,858.88

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Solution

The fourth proportional to 10,059.20, 15,073.92 and 4,858.88 is: 7,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.20 : 15,073.92 = 4,858.88 : x
  2. Step 2: Convert to fraction form
    10,059.20/15,073.92 = 4,858.88/x
  3. Step 3: Cross multiply
    10,059.20x = 15,073.92 × 4,858.88
  4. Step 4: Simplify right side
    10,059.20x = 73,242,368.41
  5. Step 5: Solve for x
    x = 73,242,368.41/10,059.20
  6. Step 6: Final answer
    x = 7,281.13

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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.