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Finding the Fourth Proportional to 72,350.70, 108,526.05 and 25,608.30

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Solution

The fourth proportional to 72,350.70, 108,526.05 and 25,608.30 is: 38,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.70 : 108,526.05 = 25,608.30 : x
  2. Step 2: Convert to fraction form
    72,350.70/108,526.05 = 25,608.30/x
  3. Step 3: Cross multiply
    72,350.70x = 108,526.05 × 25,608.30
  4. Step 4: Simplify right side
    72,350.70x = 2,779,167,646.22
  5. Step 5: Solve for x
    x = 2,779,167,646.22/72,350.70
  6. Step 6: Final answer
    x = 38,412.45

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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.