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Finding the Fourth Proportional to 18,000.92, 26,946 and 11,747.48

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Solution

The fourth proportional to 18,000.92, 26,946 and 11,747.48 is: 17,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.92 : 26,946 = 11,747.48 : x
  2. Step 2: Convert to fraction form
    18,000.92/26,946 = 11,747.48/x
  3. Step 3: Cross multiply
    18,000.92x = 26,946 × 11,747.48
  4. Step 4: Simplify right side
    18,000.92x = 316,547,461.35
  5. Step 5: Solve for x
    x = 316,547,461.35/18,000.92
  6. Step 6: Final answer
    x = 17,585.07

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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.