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Finding the Fourth Proportional to 70,704.84, 97,570.16 and 38,873.50

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Solution

The fourth proportional to 70,704.84, 97,570.16 and 38,873.50 is: 53,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.84 : 97,570.16 = 38,873.50 : x
  2. Step 2: Convert to fraction form
    70,704.84/97,570.16 = 38,873.50/x
  3. Step 3: Cross multiply
    70,704.84x = 97,570.16 × 38,873.50
  4. Step 4: Simplify right side
    70,704.84x = 3,792,893,614.76
  5. Step 5: Solve for x
    x = 3,792,893,614.76/70,704.84
  6. Step 6: Final answer
    x = 53,644.04

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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.