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Finding the Fourth Proportional to 10,191.79, 14,058.20 and 7,363.32

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Solution

The fourth proportional to 10,191.79, 14,058.20 and 7,363.32 is: 10,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.79 : 14,058.20 = 7,363.32 : x
  2. Step 2: Convert to fraction form
    10,191.79/14,058.20 = 7,363.32/x
  3. Step 3: Cross multiply
    10,191.79x = 14,058.20 × 7,363.32
  4. Step 4: Simplify right side
    10,191.79x = 103,514,918.12
  5. Step 5: Solve for x
    x = 103,514,918.12/10,191.79
  6. Step 6: Final answer
    x = 10,156.70

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