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Finding the Fourth Proportional to 58,809.20, 88,219.08 and 16,689.92

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Solution

The fourth proportional to 58,809.20, 88,219.08 and 16,689.92 is: 25,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.20 : 88,219.08 = 16,689.92 : x
  2. Step 2: Convert to fraction form
    58,809.20/88,219.08 = 16,689.92/x
  3. Step 3: Cross multiply
    58,809.20x = 88,219.08 × 16,689.92
  4. Step 4: Simplify right side
    58,809.20x = 1,472,369,387.67
  5. Step 5: Solve for x
    x = 1,472,369,387.67/58,809.20
  6. Step 6: Final answer
    x = 25,036.38

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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.