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Finding the Fourth Proportional to 15,180.86, 22,785.51 and 9,348.86

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Solution

The fourth proportional to 15,180.86, 22,785.51 and 9,348.86 is: 14,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.86 : 22,785.51 = 9,348.86 : x
  2. Step 2: Convert to fraction form
    15,180.86/22,785.51 = 9,348.86/x
  3. Step 3: Cross multiply
    15,180.86x = 22,785.51 × 9,348.86
  4. Step 4: Simplify right side
    15,180.86x = 213,018,543.02
  5. Step 5: Solve for x
    x = 213,018,543.02/15,180.86
  6. Step 6: Final answer
    x = 14,032.05

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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.