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Finding the Fourth Proportional to 53,101.69, 79,652.59 and 36,411.12

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Solution

The fourth proportional to 53,101.69, 79,652.59 and 36,411.12 is: 54,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,101.69 : 79,652.59 = 36,411.12 : x
  2. Step 2: Convert to fraction form
    53,101.69/79,652.59 = 36,411.12/x
  3. Step 3: Cross multiply
    53,101.69x = 79,652.59 × 36,411.12
  4. Step 4: Simplify right side
    53,101.69x = 2,900,240,024.18
  5. Step 5: Solve for x
    x = 2,900,240,024.18/53,101.69
  6. Step 6: Final answer
    x = 54,616.72

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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.