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Finding the Fourth Proportional to 15,873.81, 23,793.93 and 5,872.13

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Solution

The fourth proportional to 15,873.81, 23,793.93 and 5,872.13 is: 8,801.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.81 : 23,793.93 = 5,872.13 : x
  2. Step 2: Convert to fraction form
    15,873.81/23,793.93 = 5,872.13/x
  3. Step 3: Cross multiply
    15,873.81x = 23,793.93 × 5,872.13
  4. Step 4: Simplify right side
    15,873.81x = 139,721,050.17
  5. Step 5: Solve for x
    x = 139,721,050.17/15,873.81
  6. Step 6: Final answer
    x = 8,801.99

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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.