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Finding the Fourth Proportional to 71,533.53, 107,275.05 and 29,401.38

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Solution

The fourth proportional to 71,533.53, 107,275.05 and 29,401.38 is: 44,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.53 : 107,275.05 = 29,401.38 : x
  2. Step 2: Convert to fraction form
    71,533.53/107,275.05 = 29,401.38/x
  3. Step 3: Cross multiply
    71,533.53x = 107,275.05 × 29,401.38
  4. Step 4: Simplify right side
    71,533.53x = 3,154,034,509.57
  5. Step 5: Solve for x
    x = 3,154,034,509.57/71,533.53
  6. Step 6: Final answer
    x = 44,091.69

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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.