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Finding the Fourth Proportional to 60,406.76, 90,603.12 and 16,036.96

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Solution

The fourth proportional to 60,406.76, 90,603.12 and 16,036.96 is: 24,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,406.76 : 90,603.12 = 16,036.96 : x
  2. Step 2: Convert to fraction form
    60,406.76/90,603.12 = 16,036.96/x
  3. Step 3: Cross multiply
    60,406.76x = 90,603.12 × 16,036.96
  4. Step 4: Simplify right side
    60,406.76x = 1,452,998,611.32
  5. Step 5: Solve for x
    x = 1,452,998,611.32/60,406.76
  6. Step 6: Final answer
    x = 24,053.58

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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.