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Finding the Fourth Proportional to 37,043.28, 55,566.71 and 12,083.28

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Solution

The fourth proportional to 37,043.28, 55,566.71 and 12,083.28 is: 18,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,043.28 : 55,566.71 = 12,083.28 : x
  2. Step 2: Convert to fraction form
    37,043.28/55,566.71 = 12,083.28/x
  3. Step 3: Cross multiply
    37,043.28x = 55,566.71 × 12,083.28
  4. Step 4: Simplify right side
    37,043.28x = 671,428,115.61
  5. Step 5: Solve for x
    x = 671,428,115.61/37,043.28
  6. Step 6: Final answer
    x = 18,125.50

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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.