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Finding the Fourth Proportional to 66,485.24, 99,698.76 and 24,903.08

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Solution

The fourth proportional to 66,485.24, 99,698.76 and 24,903.08 is: 37,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,485.24 : 99,698.76 = 24,903.08 : x
  2. Step 2: Convert to fraction form
    66,485.24/99,698.76 = 24,903.08/x
  3. Step 3: Cross multiply
    66,485.24x = 99,698.76 × 24,903.08
  4. Step 4: Simplify right side
    66,485.24x = 2,482,806,196.18
  5. Step 5: Solve for x
    x = 2,482,806,196.18/66,485.24
  6. Step 6: Final answer
    x = 37,343.72

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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.