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Finding the Fourth Proportional to 55,882.98, 77,119.09 and 32,009.18

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Solution

The fourth proportional to 55,882.98, 77,119.09 and 32,009.18 is: 44,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,882.98 : 77,119.09 = 32,009.18 : x
  2. Step 2: Convert to fraction form
    55,882.98/77,119.09 = 32,009.18/x
  3. Step 3: Cross multiply
    55,882.98x = 77,119.09 × 32,009.18
  4. Step 4: Simplify right side
    55,882.98x = 2,468,518,367.63
  5. Step 5: Solve for x
    x = 2,468,518,367.63/55,882.98
  6. Step 6: Final answer
    x = 44,172.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.