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Finding the Fourth Proportional to 32,707.20, 49,060.80 and 27,458.40

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Solution

The fourth proportional to 32,707.20, 49,060.80 and 27,458.40 is: 41,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.20 : 49,060.80 = 27,458.40 : x
  2. Step 2: Convert to fraction form
    32,707.20/49,060.80 = 27,458.40/x
  3. Step 3: Cross multiply
    32,707.20x = 49,060.80 × 27,458.40
  4. Step 4: Simplify right side
    32,707.20x = 1,347,131,070.72
  5. Step 5: Solve for x
    x = 1,347,131,070.72/32,707.20
  6. Step 6: Final answer
    x = 41,187.60

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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.