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Finding the Fourth Proportional to 60,303.88, 90,460.16 and 15,930.04

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Solution

The fourth proportional to 60,303.88, 90,460.16 and 15,930.04 is: 23,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,303.88 : 90,460.16 = 15,930.04 : x
  2. Step 2: Convert to fraction form
    60,303.88/90,460.16 = 15,930.04/x
  3. Step 3: Cross multiply
    60,303.88x = 90,460.16 × 15,930.04
  4. Step 4: Simplify right side
    60,303.88x = 1,441,033,967.21
  5. Step 5: Solve for x
    x = 1,441,033,967.21/60,303.88
  6. Step 6: Final answer
    x = 23,896.21

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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.