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Finding the Fourth Proportional to 63,381.16, 87,483.45 and 37,905.04

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Solution

The fourth proportional to 63,381.16, 87,483.45 and 37,905.04 is: 52,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,381.16 : 87,483.45 = 37,905.04 : x
  2. Step 2: Convert to fraction form
    63,381.16/87,483.45 = 37,905.04/x
  3. Step 3: Cross multiply
    63,381.16x = 87,483.45 × 37,905.04
  4. Step 4: Simplify right side
    63,381.16x = 3,316,063,671.59
  5. Step 5: Solve for x
    x = 3,316,063,671.59/63,381.16
  6. Step 6: Final answer
    x = 52,319.39

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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.