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Finding the Fourth Proportional to 70,425.52, 97,189.71 and 38,594.42

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Solution

The fourth proportional to 70,425.52, 97,189.71 and 38,594.42 is: 53,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,425.52 : 97,189.71 = 38,594.42 : x
  2. Step 2: Convert to fraction form
    70,425.52/97,189.71 = 38,594.42/x
  3. Step 3: Cross multiply
    70,425.52x = 97,189.71 × 38,594.42
  4. Step 4: Simplify right side
    70,425.52x = 3,750,980,633.91
  5. Step 5: Solve for x
    x = 3,750,980,633.91/70,425.52
  6. Step 6: Final answer
    x = 53,261.67

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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.