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Finding the Fourth Proportional to 11,585.93, 17,385.95 and 10,644.91

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Solution

The fourth proportional to 11,585.93, 17,385.95 and 10,644.91 is: 15,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.93 : 17,385.95 = 10,644.91 : x
  2. Step 2: Convert to fraction form
    11,585.93/17,385.95 = 10,644.91/x
  3. Step 3: Cross multiply
    11,585.93x = 17,385.95 × 10,644.91
  4. Step 4: Simplify right side
    11,585.93x = 185,071,856.16
  5. Step 5: Solve for x
    x = 185,071,856.16/11,585.93
  6. Step 6: Final answer
    x = 15,973.85

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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.