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Finding the Fourth Proportional to 64,023.40, 88,351.72 and 35,343.40

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Solution

The fourth proportional to 64,023.40, 88,351.72 and 35,343.40 is: 48,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,023.40 : 88,351.72 = 35,343.40 : x
  2. Step 2: Convert to fraction form
    64,023.40/88,351.72 = 35,343.40/x
  3. Step 3: Cross multiply
    64,023.40x = 88,351.72 × 35,343.40
  4. Step 4: Simplify right side
    64,023.40x = 3,122,650,180.65
  5. Step 5: Solve for x
    x = 3,122,650,180.65/64,023.40
  6. Step 6: Final answer
    x = 48,773.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.