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Finding the Fourth Proportional to 14,691.60, 22,042.80 and 5,927.40

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Solution

The fourth proportional to 14,691.60, 22,042.80 and 5,927.40 is: 8,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.60 : 22,042.80 = 5,927.40 : x
  2. Step 2: Convert to fraction form
    14,691.60/22,042.80 = 5,927.40/x
  3. Step 3: Cross multiply
    14,691.60x = 22,042.80 × 5,927.40
  4. Step 4: Simplify right side
    14,691.60x = 130,656,492.72
  5. Step 5: Solve for x
    x = 130,656,492.72/14,691.60
  6. Step 6: Final answer
    x = 8,893.28

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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.