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Finding the Fourth Proportional to 66,485.54, 99,699.12 and 24,903.38

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Solution

The fourth proportional to 66,485.54, 99,699.12 and 24,903.38 is: 37,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,485.54 : 99,699.12 = 24,903.38 : x
  2. Step 2: Convert to fraction form
    66,485.54/99,699.12 = 24,903.38/x
  3. Step 3: Cross multiply
    66,485.54x = 99,699.12 × 24,903.38
  4. Step 4: Simplify right side
    66,485.54x = 2,482,844,572.53
  5. Step 5: Solve for x
    x = 2,482,844,572.53/66,485.54
  6. Step 6: Final answer
    x = 37,344.13

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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.