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Finding the Fourth Proportional to 70,594.53, 97,421.14 and 38,764.12

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Solution

The fourth proportional to 70,594.53, 97,421.14 and 38,764.12 is: 53,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594.53 : 97,421.14 = 38,764.12 : x
  2. Step 2: Convert to fraction form
    70,594.53/97,421.14 = 38,764.12/x
  3. Step 3: Cross multiply
    70,594.53x = 97,421.14 × 38,764.12
  4. Step 4: Simplify right side
    70,594.53x = 3,776,444,080.57
  5. Step 5: Solve for x
    x = 3,776,444,080.57/70,594.53
  6. Step 6: Final answer
    x = 53,494.85

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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.