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Finding the Fourth Proportional to 70,951.26, 97,903.53 and 40,737.90

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Solution

The fourth proportional to 70,951.26, 97,903.53 and 40,737.90 is: 56,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.26 : 97,903.53 = 40,737.90 : x
  2. Step 2: Convert to fraction form
    70,951.26/97,903.53 = 40,737.90/x
  3. Step 3: Cross multiply
    70,951.26x = 97,903.53 × 40,737.90
  4. Step 4: Simplify right side
    70,951.26x = 3,988,384,214.79
  5. Step 5: Solve for x
    x = 3,988,384,214.79/70,951.26
  6. Step 6: Final answer
    x = 56,213.01

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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.