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Finding the Fourth Proportional to 70,626.42, 97,464 and 38,360.71

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Solution

The fourth proportional to 70,626.42, 97,464 and 38,360.71 is: 52,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.42 : 97,464 = 38,360.71 : x
  2. Step 2: Convert to fraction form
    70,626.42/97,464 = 38,360.71/x
  3. Step 3: Cross multiply
    70,626.42x = 97,464 × 38,360.71
  4. Step 4: Simplify right side
    70,626.42x = 3,738,788,239.44
  5. Step 5: Solve for x
    x = 3,738,788,239.44/70,626.42
  6. Step 6: Final answer
    x = 52,937.53

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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.