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Finding the Fourth Proportional to 66,301.40, 99,365.70 and 26,826.20

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Solution

The fourth proportional to 66,301.40, 99,365.70 and 26,826.20 is: 40,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.40 : 99,365.70 = 26,826.20 : x
  2. Step 2: Convert to fraction form
    66,301.40/99,365.70 = 26,826.20/x
  3. Step 3: Cross multiply
    66,301.40x = 99,365.70 × 26,826.20
  4. Step 4: Simplify right side
    66,301.40x = 2,665,604,141.34
  5. Step 5: Solve for x
    x = 2,665,604,141.34/66,301.40
  6. Step 6: Final answer
    x = 40,204.34

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1.5x scale

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.