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Finding the Fourth Proportional to 65,275.40, 90,079.29 and 36,594.92

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Solution

The fourth proportional to 65,275.40, 90,079.29 and 36,594.92 is: 50,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,275.40 : 90,079.29 = 36,594.92 : x
  2. Step 2: Convert to fraction form
    65,275.40/90,079.29 = 36,594.92/x
  3. Step 3: Cross multiply
    65,275.40x = 90,079.29 × 36,594.92
  4. Step 4: Simplify right side
    65,275.40x = 3,296,444,636.41
  5. Step 5: Solve for x
    x = 3,296,444,636.41/65,275.40
  6. Step 6: Final answer
    x = 50,500.56

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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.