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Finding the Fourth Proportional to 63,718.82, 87,937.57 and 35,043.53

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Solution

The fourth proportional to 63,718.82, 87,937.57 and 35,043.53 is: 48,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,718.82 : 87,937.57 = 35,043.53 : x
  2. Step 2: Convert to fraction form
    63,718.82/87,937.57 = 35,043.53/x
  3. Step 3: Cross multiply
    63,718.82x = 87,937.57 × 35,043.53
  4. Step 4: Simplify right side
    63,718.82x = 3,081,642,345.13
  5. Step 5: Solve for x
    x = 3,081,642,345.13/63,718.82
  6. Step 6: Final answer
    x = 48,363.15

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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.