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Finding the Fourth Proportional to 55,887.76, 77,118.64 and 32,013.01

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Solution

The fourth proportional to 55,887.76, 77,118.64 and 32,013.01 is: 44,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.76 : 77,118.64 = 32,013.01 : x
  2. Step 2: Convert to fraction form
    55,887.76/77,118.64 = 32,013.01/x
  3. Step 3: Cross multiply
    55,887.76x = 77,118.64 × 32,013.01
  4. Step 4: Simplify right side
    55,887.76x = 2,468,799,793.51
  5. Step 5: Solve for x
    x = 2,468,799,793.51/55,887.76
  6. Step 6: Final answer
    x = 44,174.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.