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Finding the Fourth Proportional to 64,359.40, 96,539.10 and 36,711.40

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Solution

The fourth proportional to 64,359.40, 96,539.10 and 36,711.40 is: 55,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.40 : 96,539.10 = 36,711.40 : x
  2. Step 2: Convert to fraction form
    64,359.40/96,539.10 = 36,711.40/x
  3. Step 3: Cross multiply
    64,359.40x = 96,539.10 × 36,711.40
  4. Step 4: Simplify right side
    64,359.40x = 3,544,085,515.74
  5. Step 5: Solve for x
    x = 3,544,085,515.74/64,359.40
  6. Step 6: Final answer
    x = 55,067.10

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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.