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Finding the Fourth Proportional to 66,023.40, 98,948.70 and 26,548.20

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Solution

The fourth proportional to 66,023.40, 98,948.70 and 26,548.20 is: 39,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.40 : 98,948.70 = 26,548.20 : x
  2. Step 2: Convert to fraction form
    66,023.40/98,948.70 = 26,548.20/x
  3. Step 3: Cross multiply
    66,023.40x = 98,948.70 × 26,548.20
  4. Step 4: Simplify right side
    66,023.40x = 2,626,909,877.34
  5. Step 5: Solve for x
    x = 2,626,909,877.34/66,023.40
  6. Step 6: Final answer
    x = 39,787.56

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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.