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Finding the Fourth Proportional to 40,009.59, 60,017.45 and 11,927.49

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Solution

The fourth proportional to 40,009.59, 60,017.45 and 11,927.49 is: 17,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.59 : 60,017.45 = 11,927.49 : x
  2. Step 2: Convert to fraction form
    40,009.59/60,017.45 = 11,927.49/x
  3. Step 3: Cross multiply
    40,009.59x = 60,017.45 × 11,927.49
  4. Step 4: Simplify right side
    40,009.59x = 715,857,475.06
  5. Step 5: Solve for x
    x = 715,857,475.06/40,009.59
  6. Step 6: Final answer
    x = 17,892.15

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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.