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Finding the Fourth Proportional to 57,508.90, 79,362.12 and 32,358.40

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Solution

The fourth proportional to 57,508.90, 79,362.12 and 32,358.40 is: 44,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.90 : 79,362.12 = 32,358.40 : x
  2. Step 2: Convert to fraction form
    57,508.90/79,362.12 = 32,358.40/x
  3. Step 3: Cross multiply
    57,508.90x = 79,362.12 × 32,358.40
  4. Step 4: Simplify right side
    57,508.90x = 2,568,031,223.81
  5. Step 5: Solve for x
    x = 2,568,031,223.81/57,508.90
  6. Step 6: Final answer
    x = 44,654.50

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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.