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Finding the Fourth Proportional to 27,141.18, 40,710.33 and 8,673.18

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Solution

The fourth proportional to 27,141.18, 40,710.33 and 8,673.18 is: 13,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.18 : 40,710.33 = 8,673.18 : x
  2. Step 2: Convert to fraction form
    27,141.18/40,710.33 = 8,673.18/x
  3. Step 3: Cross multiply
    27,141.18x = 40,710.33 × 8,673.18
  4. Step 4: Simplify right side
    27,141.18x = 353,088,019.95
  5. Step 5: Solve for x
    x = 353,088,019.95/27,141.18
  6. Step 6: Final answer
    x = 13,009.31

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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.