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Finding the Fourth Proportional to 8,802.54, 12,133.89 and 6,561

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Solution

The fourth proportional to 8,802.54, 12,133.89 and 6,561 is: 9,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.54 : 12,133.89 = 6,561 : x
  2. Step 2: Convert to fraction form
    8,802.54/12,133.89 = 6,561/x
  3. Step 3: Cross multiply
    8,802.54x = 12,133.89 × 6,561
  4. Step 4: Simplify right side
    8,802.54x = 79,610,452.29
  5. Step 5: Solve for x
    x = 79,610,452.29/8,802.54
  6. Step 6: Final answer
    x = 9,044.03

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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.