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Finding the Fourth Proportional to 30,192.52, 45,295.89 and 9,132.74

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Solution

The fourth proportional to 30,192.52, 45,295.89 and 9,132.74 is: 13,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.52 : 45,295.89 = 9,132.74 : x
  2. Step 2: Convert to fraction form
    30,192.52/45,295.89 = 9,132.74/x
  3. Step 3: Cross multiply
    30,192.52x = 45,295.89 × 9,132.74
  4. Step 4: Simplify right side
    30,192.52x = 413,675,394.21
  5. Step 5: Solve for x
    x = 413,675,394.21/30,192.52
  6. Step 6: Final answer
    x = 13,701.25

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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.