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Finding the Fourth Proportional to 58,688.80, 88,000.80 and 25,403.20

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Solution

The fourth proportional to 58,688.80, 88,000.80 and 25,403.20 is: 38,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,688.80 : 88,000.80 = 25,403.20 : x
  2. Step 2: Convert to fraction form
    58,688.80/88,000.80 = 25,403.20/x
  3. Step 3: Cross multiply
    58,688.80x = 88,000.80 × 25,403.20
  4. Step 4: Simplify right side
    58,688.80x = 2,235,501,922.56
  5. Step 5: Solve for x
    x = 2,235,501,922.56/58,688.80
  6. Step 6: Final answer
    x = 38,090.78

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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.