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Finding the Fourth Proportional to 70,677.35, 106,031.72 and 23,307.13

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Solution

The fourth proportional to 70,677.35, 106,031.72 and 23,307.13 is: 34,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.35 : 106,031.72 = 23,307.13 : x
  2. Step 2: Convert to fraction form
    70,677.35/106,031.72 = 23,307.13/x
  3. Step 3: Cross multiply
    70,677.35x = 106,031.72 × 23,307.13
  4. Step 4: Simplify right side
    70,677.35x = 2,471,295,082.16
  5. Step 5: Solve for x
    x = 2,471,295,082.16/70,677.35
  6. Step 6: Final answer
    x = 34,965.87

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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.