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Finding the Fourth Proportional to 70,754.94, 97,644.24 and 38,925.18

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Solution

The fourth proportional to 70,754.94, 97,644.24 and 38,925.18 is: 53,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,754.94 : 97,644.24 = 38,925.18 : x
  2. Step 2: Convert to fraction form
    70,754.94/97,644.24 = 38,925.18/x
  3. Step 3: Cross multiply
    70,754.94x = 97,644.24 × 38,925.18
  4. Step 4: Simplify right side
    70,754.94x = 3,800,819,617.96
  5. Step 5: Solve for x
    x = 3,800,819,617.96/70,754.94
  6. Step 6: Final answer
    x = 53,718.08

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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.