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Finding the Fourth Proportional to 66,055.95, 98,914.77 and 36,440.87

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Solution

The fourth proportional to 66,055.95, 98,914.77 and 36,440.87 is: 54,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.95 : 98,914.77 = 36,440.87 : x
  2. Step 2: Convert to fraction form
    66,055.95/98,914.77 = 36,440.87/x
  3. Step 3: Cross multiply
    66,055.95x = 98,914.77 × 36,440.87
  4. Step 4: Simplify right side
    66,055.95x = 3,604,539,780.08
  5. Step 5: Solve for x
    x = 3,604,539,780.08/66,055.95
  6. Step 6: Final answer
    x = 54,567.98

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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.