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Finding the Fourth Proportional to 70,614.53, 97,451.12 and 40,409.33

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Solution

The fourth proportional to 70,614.53, 97,451.12 and 40,409.33 is: 55,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.53 : 97,451.12 = 40,409.33 : x
  2. Step 2: Convert to fraction form
    70,614.53/97,451.12 = 40,409.33/x
  3. Step 3: Cross multiply
    70,614.53x = 97,451.12 × 40,409.33
  4. Step 4: Simplify right side
    70,614.53x = 3,937,934,264.90
  5. Step 5: Solve for x
    x = 3,937,934,264.90/70,614.53
  6. Step 6: Final answer
    x = 55,766.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.