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Finding the Fourth Proportional to 52,339.96, 78,498.15 and 14,899.21

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Solution

The fourth proportional to 52,339.96, 78,498.15 and 14,899.21 is: 22,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.96 : 78,498.15 = 14,899.21 : x
  2. Step 2: Convert to fraction form
    52,339.96/78,498.15 = 14,899.21/x
  3. Step 3: Cross multiply
    52,339.96x = 78,498.15 × 14,899.21
  4. Step 4: Simplify right side
    52,339.96x = 1,169,560,028.97
  5. Step 5: Solve for x
    x = 1,169,560,028.97/52,339.96
  6. Step 6: Final answer
    x = 22,345.45

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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.