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Finding the Fourth Proportional to 72,352.71, 108,559.98 and 37,316.97

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Solution

The fourth proportional to 72,352.71, 108,559.98 and 37,316.97 is: 55,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.71 : 108,559.98 = 37,316.97 : x
  2. Step 2: Convert to fraction form
    72,352.71/108,559.98 = 37,316.97/x
  3. Step 3: Cross multiply
    72,352.71x = 108,559.98 × 37,316.97
  4. Step 4: Simplify right side
    72,352.71x = 4,051,129,516.86
  5. Step 5: Solve for x
    x = 4,051,129,516.86/72,352.71
  6. Step 6: Final answer
    x = 55,991.40

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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.