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Finding the Fourth Proportional to 19,062.66, 26,300.17 and 11,506.12

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Solution

The fourth proportional to 19,062.66, 26,300.17 and 11,506.12 is: 15,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.66 : 26,300.17 = 11,506.12 : x
  2. Step 2: Convert to fraction form
    19,062.66/26,300.17 = 11,506.12/x
  3. Step 3: Cross multiply
    19,062.66x = 26,300.17 × 11,506.12
  4. Step 4: Simplify right side
    19,062.66x = 302,612,817.52
  5. Step 5: Solve for x
    x = 302,612,817.52/19,062.66
  6. Step 6: Final answer
    x = 15,874.64

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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.