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Finding the Fourth Proportional to 15,759.65, 23,640.08 and 5,897.90

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Solution

The fourth proportional to 15,759.65, 23,640.08 and 5,897.90 is: 8,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.65 : 23,640.08 = 5,897.90 : x
  2. Step 2: Convert to fraction form
    15,759.65/23,640.08 = 5,897.90/x
  3. Step 3: Cross multiply
    15,759.65x = 23,640.08 × 5,897.90
  4. Step 4: Simplify right side
    15,759.65x = 139,426,680.14
  5. Step 5: Solve for x
    x = 139,426,680.14/15,759.65
  6. Step 6: Final answer
    x = 8,847.07

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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.