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Finding the Fourth Proportional to 70,153.66, 96,814.17 and 38,324.61

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Solution

The fourth proportional to 70,153.66, 96,814.17 and 38,324.61 is: 52,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,153.66 : 96,814.17 = 38,324.61 : x
  2. Step 2: Convert to fraction form
    70,153.66/96,814.17 = 38,324.61/x
  3. Step 3: Cross multiply
    70,153.66x = 96,814.17 × 38,324.61
  4. Step 4: Simplify right side
    70,153.66x = 3,710,365,307.72
  5. Step 5: Solve for x
    x = 3,710,365,307.72/70,153.66
  6. Step 6: Final answer
    x = 52,889.12

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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.