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Finding the Fourth Proportional to 32,695.20, 44,977.80 and 28,643.79

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Solution

The fourth proportional to 32,695.20, 44,977.80 and 28,643.79 is: 39,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,695.20 : 44,977.80 = 28,643.79 : x
  2. Step 2: Convert to fraction form
    32,695.20/44,977.80 = 28,643.79/x
  3. Step 3: Cross multiply
    32,695.20x = 44,977.80 × 28,643.79
  4. Step 4: Simplify right side
    32,695.20x = 1,288,334,657.86
  5. Step 5: Solve for x
    x = 1,288,334,657.86/32,695.20
  6. Step 6: Final answer
    x = 39,404.40

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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.