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Finding the Fourth Proportional to 64,018.40, 96,024.40 and 32,856.80

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Solution

The fourth proportional to 64,018.40, 96,024.40 and 32,856.80 is: 49,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.40 : 96,024.40 = 32,856.80 : x
  2. Step 2: Convert to fraction form
    64,018.40/96,024.40 = 32,856.80/x
  3. Step 3: Cross multiply
    64,018.40x = 96,024.40 × 32,856.80
  4. Step 4: Simplify right side
    64,018.40x = 3,155,054,505.92
  5. Step 5: Solve for x
    x = 3,155,054,505.92/64,018.40
  6. Step 6: Final answer
    x = 49,283.56

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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.