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Finding the Fourth Proportional to 4,888.61, 6,744.18 and 2,898.10

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Solution

The fourth proportional to 4,888.61, 6,744.18 and 2,898.10 is: 3,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.61 : 6,744.18 = 2,898.10 : x
  2. Step 2: Convert to fraction form
    4,888.61/6,744.18 = 2,898.10/x
  3. Step 3: Cross multiply
    4,888.61x = 6,744.18 × 2,898.10
  4. Step 4: Simplify right side
    4,888.61x = 19,545,308.06
  5. Step 5: Solve for x
    x = 19,545,308.06/4,888.61
  6. Step 6: Final answer
    x = 3,998.13

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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.