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Finding the Fourth Proportional to 64,015.60, 96,023.40 and 29,023.60

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Solution

The fourth proportional to 64,015.60, 96,023.40 and 29,023.60 is: 43,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,015.60 : 96,023.40 = 29,023.60 : x
  2. Step 2: Convert to fraction form
    64,015.60/96,023.40 = 29,023.60/x
  3. Step 3: Cross multiply
    64,015.60x = 96,023.40 × 29,023.60
  4. Step 4: Simplify right side
    64,015.60x = 2,786,944,752.24
  5. Step 5: Solve for x
    x = 2,786,944,752.24/64,015.60
  6. Step 6: Final answer
    x = 43,535.40

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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.