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Finding the Fourth Proportional to 34,788.76, 48,008.22 and 18,873.16

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Solution

The fourth proportional to 34,788.76, 48,008.22 and 18,873.16 is: 26,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.76 : 48,008.22 = 18,873.16 : x
  2. Step 2: Convert to fraction form
    34,788.76/48,008.22 = 18,873.16/x
  3. Step 3: Cross multiply
    34,788.76x = 48,008.22 × 18,873.16
  4. Step 4: Simplify right side
    34,788.76x = 906,066,817.38
  5. Step 5: Solve for x
    x = 906,066,817.38/34,788.76
  6. Step 6: Final answer
    x = 26,044.81

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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.