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Finding the Fourth Proportional to 97,659.40, 146,460.30 and 38,475.40

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Solution

The fourth proportional to 97,659.40, 146,460.30 and 38,475.40 is: 57,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,659.40 : 146,460.30 = 38,475.40 : x
  2. Step 2: Convert to fraction form
    97,659.40/146,460.30 = 38,475.40/x
  3. Step 3: Cross multiply
    97,659.40x = 146,460.30 × 38,475.40
  4. Step 4: Simplify right side
    97,659.40x = 5,635,118,626.62
  5. Step 5: Solve for x
    x = 5,635,118,626.62/97,659.40
  6. Step 6: Final answer
    x = 57,701.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.