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Finding the Fourth Proportional to 37,149.95, 55,724.72 and 9,070.15

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Solution

The fourth proportional to 37,149.95, 55,724.72 and 9,070.15 is: 13,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.95 : 55,724.72 = 9,070.15 : x
  2. Step 2: Convert to fraction form
    37,149.95/55,724.72 = 9,070.15/x
  3. Step 3: Cross multiply
    37,149.95x = 55,724.72 × 9,070.15
  4. Step 4: Simplify right side
    37,149.95x = 505,431,569.11
  5. Step 5: Solve for x
    x = 505,431,569.11/37,149.95
  6. Step 6: Final answer
    x = 13,605.17

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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.