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Finding the Fourth Proportional to 52,359.91, 78,547.17 and 16,822.31

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Solution

The fourth proportional to 52,359.91, 78,547.17 and 16,822.31 is: 25,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.91 : 78,547.17 = 16,822.31 : x
  2. Step 2: Convert to fraction form
    52,359.91/78,547.17 = 16,822.31/x
  3. Step 3: Cross multiply
    52,359.91x = 78,547.17 × 16,822.31
  4. Step 4: Simplify right side
    52,359.91x = 1,321,344,366.52
  5. Step 5: Solve for x
    x = 1,321,344,366.52/52,359.91
  6. Step 6: Final answer
    x = 25,235.80

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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.