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Finding the Fourth Proportional to 36,938.47, 55,415.01 and 13,565.11

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Solution

The fourth proportional to 36,938.47, 55,415.01 and 13,565.11 is: 20,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,938.47 : 55,415.01 = 13,565.11 : x
  2. Step 2: Convert to fraction form
    36,938.47/55,415.01 = 13,565.11/x
  3. Step 3: Cross multiply
    36,938.47x = 55,415.01 × 13,565.11
  4. Step 4: Simplify right side
    36,938.47x = 751,710,706.30
  5. Step 5: Solve for x
    x = 751,710,706.30/36,938.47
  6. Step 6: Final answer
    x = 20,350.35

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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.