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Finding the Fourth Proportional to 36,645.56, 54,955.08 and 15,587

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Solution

The fourth proportional to 36,645.56, 54,955.08 and 15,587 is: 23,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.56 : 54,955.08 = 15,587 : x
  2. Step 2: Convert to fraction form
    36,645.56/54,955.08 = 15,587/x
  3. Step 3: Cross multiply
    36,645.56x = 54,955.08 × 15,587
  4. Step 4: Simplify right side
    36,645.56x = 856,584,831.96
  5. Step 5: Solve for x
    x = 856,584,831.96/36,645.56
  6. Step 6: Final answer
    x = 23,374.86

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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.