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Finding the Fourth Proportional to 65,564.60, 90,479.00 and 36,884.27

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Solution

The fourth proportional to 65,564.60, 90,479.00 and 36,884.27 is: 50,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.60 : 90,479.00 = 36,884.27 : x
  2. Step 2: Convert to fraction form
    65,564.60/90,479.00 = 36,884.27/x
  3. Step 3: Cross multiply
    65,564.60x = 90,479.00 × 36,884.27
  4. Step 4: Simplify right side
    65,564.60x = 3,337,251,228.51
  5. Step 5: Solve for x
    x = 3,337,251,228.51/65,564.60
  6. Step 6: Final answer
    x = 50,900.20

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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.