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Finding the Fourth Proportional to 48,752.70, 73,129.05 and 25,376.10

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Solution

The fourth proportional to 48,752.70, 73,129.05 and 25,376.10 is: 38,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.70 : 73,129.05 = 25,376.10 : x
  2. Step 2: Convert to fraction form
    48,752.70/73,129.05 = 25,376.10/x
  3. Step 3: Cross multiply
    48,752.70x = 73,129.05 × 25,376.10
  4. Step 4: Simplify right side
    48,752.70x = 1,855,730,085.71
  5. Step 5: Solve for x
    x = 1,855,730,085.71/48,752.70
  6. Step 6: Final answer
    x = 38,064.15

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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.