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Finding the Fourth Proportional to 24,690.60, 34,077.12 and 19,425.60

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Solution

The fourth proportional to 24,690.60, 34,077.12 and 19,425.60 is: 26,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,690.60 : 34,077.12 = 19,425.60 : x
  2. Step 2: Convert to fraction form
    24,690.60/34,077.12 = 19,425.60/x
  3. Step 3: Cross multiply
    24,690.60x = 34,077.12 × 19,425.60
  4. Step 4: Simplify right side
    24,690.60x = 661,968,502.27
  5. Step 5: Solve for x
    x = 661,968,502.27/24,690.60
  6. Step 6: Final answer
    x = 26,810.55

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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.