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Finding the Fourth Proportional to 2,888.95, 4,333.55 and 2,405.41

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Solution

The fourth proportional to 2,888.95, 4,333.55 and 2,405.41 is: 3,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.95 : 4,333.55 = 2,405.41 : x
  2. Step 2: Convert to fraction form
    2,888.95/4,333.55 = 2,405.41/x
  3. Step 3: Cross multiply
    2,888.95x = 4,333.55 × 2,405.41
  4. Step 4: Simplify right side
    2,888.95x = 10,423,952.48
  5. Step 5: Solve for x
    x = 10,423,952.48/2,888.95
  6. Step 6: Final answer
    x = 3,608.21

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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.