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Finding the Fourth Proportional to 63,403.59, 87,496.11 and 34,722.93

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Solution

The fourth proportional to 63,403.59, 87,496.11 and 34,722.93 is: 47,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,403.59 : 87,496.11 = 34,722.93 : x
  2. Step 2: Convert to fraction form
    63,403.59/87,496.11 = 34,722.93/x
  3. Step 3: Cross multiply
    63,403.59x = 87,496.11 × 34,722.93
  4. Step 4: Simplify right side
    63,403.59x = 3,038,121,302.80
  5. Step 5: Solve for x
    x = 3,038,121,302.80/63,403.59
  6. Step 6: Final answer
    x = 47,917.18

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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.