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Finding the Fourth Proportional to 40,009.88, 59,973.78 and 15,045.32

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Solution

The fourth proportional to 40,009.88, 59,973.78 and 15,045.32 is: 22,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.88 : 59,973.78 = 15,045.32 : x
  2. Step 2: Convert to fraction form
    40,009.88/59,973.78 = 15,045.32/x
  3. Step 3: Cross multiply
    40,009.88x = 59,973.78 × 15,045.32
  4. Step 4: Simplify right side
    40,009.88x = 902,324,711.71
  5. Step 5: Solve for x
    x = 902,324,711.71/40,009.88
  6. Step 6: Final answer
    x = 22,552.55

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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.