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Finding the Fourth Proportional to 30,545.52, 45,801.60 and 9,195.12

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Solution

The fourth proportional to 30,545.52, 45,801.60 and 9,195.12 is: 13,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.52 : 45,801.60 = 9,195.12 : x
  2. Step 2: Convert to fraction form
    30,545.52/45,801.60 = 9,195.12/x
  3. Step 3: Cross multiply
    30,545.52x = 45,801.60 × 9,195.12
  4. Step 4: Simplify right side
    30,545.52x = 421,151,208.19
  5. Step 5: Solve for x
    x = 421,151,208.19/30,545.52
  6. Step 6: Final answer
    x = 13,787.66

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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.