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Finding the Fourth Proportional to 83,607.76, 125,415.76 and 33,681.12

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Solution

The fourth proportional to 83,607.76, 125,415.76 and 33,681.12 is: 50,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607.76 : 125,415.76 = 33,681.12 : x
  2. Step 2: Convert to fraction form
    83,607.76/125,415.76 = 33,681.12/x
  3. Step 3: Cross multiply
    83,607.76x = 125,415.76 × 33,681.12
  4. Step 4: Simplify right side
    83,607.76x = 4,224,143,262.45
  5. Step 5: Solve for x
    x = 4,224,143,262.45/83,607.76
  6. Step 6: Final answer
    x = 50,523.34

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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.