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Finding the Fourth Proportional to 83,647.52, 125,477.76 and 36,892.16

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Solution

The fourth proportional to 83,647.52, 125,477.76 and 36,892.16 is: 55,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,647.52 : 125,477.76 = 36,892.16 : x
  2. Step 2: Convert to fraction form
    83,647.52/125,477.76 = 36,892.16/x
  3. Step 3: Cross multiply
    83,647.52x = 125,477.76 × 36,892.16
  4. Step 4: Simplify right side
    83,647.52x = 4,629,145,598.36
  5. Step 5: Solve for x
    x = 4,629,145,598.36/83,647.52
  6. Step 6: Final answer
    x = 55,341.10

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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.