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Finding the Fourth Proportional to 15,195.65, 22,801.64 and 7,404.45

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Solution

The fourth proportional to 15,195.65, 22,801.64 and 7,404.45 is: 11,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.65 : 22,801.64 = 7,404.45 : x
  2. Step 2: Convert to fraction form
    15,195.65/22,801.64 = 7,404.45/x
  3. Step 3: Cross multiply
    15,195.65x = 22,801.64 × 7,404.45
  4. Step 4: Simplify right side
    15,195.65x = 168,833,566.28
  5. Step 5: Solve for x
    x = 168,833,566.28/15,195.65
  6. Step 6: Final answer
    x = 11,110.65

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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.