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Finding the Fourth Proportional to 70,382.51, 97,127.88 and 38,552.55

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Solution

The fourth proportional to 70,382.51, 97,127.88 and 38,552.55 is: 53,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.51 : 97,127.88 = 38,552.55 : x
  2. Step 2: Convert to fraction form
    70,382.51/97,127.88 = 38,552.55/x
  3. Step 3: Cross multiply
    70,382.51x = 97,127.88 × 38,552.55
  4. Step 4: Simplify right side
    70,382.51x = 3,744,527,450.09
  5. Step 5: Solve for x
    x = 3,744,527,450.09/70,382.51
  6. Step 6: Final answer
    x = 53,202.53

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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.