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Finding the Fourth Proportional to 63,373.12, 87,448.95 and 37,874.38

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Solution

The fourth proportional to 63,373.12, 87,448.95 and 37,874.38 is: 52,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,373.12 : 87,448.95 = 37,874.38 : x
  2. Step 2: Convert to fraction form
    63,373.12/87,448.95 = 37,874.38/x
  3. Step 3: Cross multiply
    63,373.12x = 87,448.95 × 37,874.38
  4. Step 4: Simplify right side
    63,373.12x = 3,312,074,762.90
  5. Step 5: Solve for x
    x = 3,312,074,762.90/63,373.12
  6. Step 6: Final answer
    x = 52,263.09

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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.