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Finding the Fourth Proportional to 3,362.66, 4,641.72 and 2,888.66

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Solution

The fourth proportional to 3,362.66, 4,641.72 and 2,888.66 is: 3,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.66 : 4,641.72 = 2,888.66 : x
  2. Step 2: Convert to fraction form
    3,362.66/4,641.72 = 2,888.66/x
  3. Step 3: Cross multiply
    3,362.66x = 4,641.72 × 2,888.66
  4. Step 4: Simplify right side
    3,362.66x = 13,408,341.81
  5. Step 5: Solve for x
    x = 13,408,341.81/3,362.66
  6. Step 6: Final answer
    x = 3,987.42

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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.