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Finding the Fourth Proportional to 15,019.92, 22,543.52 and 8,005.86

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Solution

The fourth proportional to 15,019.92, 22,543.52 and 8,005.86 is: 12,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.92 : 22,543.52 = 8,005.86 : x
  2. Step 2: Convert to fraction form
    15,019.92/22,543.52 = 8,005.86/x
  3. Step 3: Cross multiply
    15,019.92x = 22,543.52 × 8,005.86
  4. Step 4: Simplify right side
    15,019.92x = 180,480,225.00
  5. Step 5: Solve for x
    x = 180,480,225.00/15,019.92
  6. Step 6: Final answer
    x = 12,016.06

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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.