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Finding the Fourth Proportional to 70,883.91, 97,820.01 and 39,052.71

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Solution

The fourth proportional to 70,883.91, 97,820.01 and 39,052.71 is: 53,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.91 : 97,820.01 = 39,052.71 : x
  2. Step 2: Convert to fraction form
    70,883.91/97,820.01 = 39,052.71/x
  3. Step 3: Cross multiply
    70,883.91x = 97,820.01 × 39,052.71
  4. Step 4: Simplify right side
    70,883.91x = 3,820,136,482.73
  5. Step 5: Solve for x
    x = 3,820,136,482.73/70,883.91
  6. Step 6: Final answer
    x = 53,892.86

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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.