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Finding the Fourth Proportional to 31,473.60, 47,325.60 and 26,404.80

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Solution

The fourth proportional to 31,473.60, 47,325.60 and 26,404.80 is: 39,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.60 : 47,325.60 = 26,404.80 : x
  2. Step 2: Convert to fraction form
    31,473.60/47,325.60 = 26,404.80/x
  3. Step 3: Cross multiply
    31,473.60x = 47,325.60 × 26,404.80
  4. Step 4: Simplify right side
    31,473.60x = 1,249,623,002.88
  5. Step 5: Solve for x
    x = 1,249,623,002.88/31,473.60
  6. Step 6: Final answer
    x = 39,703.85

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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.