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Finding the Fourth Proportional to 60,620.30, 90,888.18 and 26,868.00

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Solution

The fourth proportional to 60,620.30, 90,888.18 and 26,868.00 is: 40,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,620.30 : 90,888.18 = 26,868.00 : x
  2. Step 2: Convert to fraction form
    60,620.30/90,888.18 = 26,868.00/x
  3. Step 3: Cross multiply
    60,620.30x = 90,888.18 × 26,868.00
  4. Step 4: Simplify right side
    60,620.30x = 2,441,983,860.32
  5. Step 5: Solve for x
    x = 2,441,983,860.32/60,620.30
  6. Step 6: Final answer
    x = 40,283.27

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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.