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Finding the Fourth Proportional to 15,094.81, 20,833.32 and 8,807.17

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Solution

The fourth proportional to 15,094.81, 20,833.32 and 8,807.17 is: 12,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.81 : 20,833.32 = 8,807.17 : x
  2. Step 2: Convert to fraction form
    15,094.81/20,833.32 = 8,807.17/x
  3. Step 3: Cross multiply
    15,094.81x = 20,833.32 × 8,807.17
  4. Step 4: Simplify right side
    15,094.81x = 183,482,590.90
  5. Step 5: Solve for x
    x = 183,482,590.90/15,094.81
  6. Step 6: Final answer
    x = 12,155.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.