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Finding the Fourth Proportional to 4,886.67, 7,329.65 and 1,554.79

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Solution

The fourth proportional to 4,886.67, 7,329.65 and 1,554.79 is: 2,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.67 : 7,329.65 = 1,554.79 : x
  2. Step 2: Convert to fraction form
    4,886.67/7,329.65 = 1,554.79/x
  3. Step 3: Cross multiply
    4,886.67x = 7,329.65 × 1,554.79
  4. Step 4: Simplify right side
    4,886.67x = 11,396,058.54
  5. Step 5: Solve for x
    x = 11,396,058.54/4,886.67
  6. Step 6: Final answer
    x = 2,332.07

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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.