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Finding the Fourth Proportional to 66,888.47, 100,204.52 and 33,569.52

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Solution

The fourth proportional to 66,888.47, 100,204.52 and 33,569.52 is: 50,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888.47 : 100,204.52 = 33,569.52 : x
  2. Step 2: Convert to fraction form
    66,888.47/100,204.52 = 33,569.52/x
  3. Step 3: Cross multiply
    66,888.47x = 100,204.52 × 33,569.52
  4. Step 4: Simplify right side
    66,888.47x = 3,363,817,470.38
  5. Step 5: Solve for x
    x = 3,363,817,470.38/66,888.47
  6. Step 6: Final answer
    x = 50,289.95

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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.