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Finding the Fourth Proportional to 2,886.70, 4,330.17 and 2,403.16

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Solution

The fourth proportional to 2,886.70, 4,330.17 and 2,403.16 is: 3,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.70 : 4,330.17 = 2,403.16 : x
  2. Step 2: Convert to fraction form
    2,886.70/4,330.17 = 2,403.16/x
  3. Step 3: Cross multiply
    2,886.70x = 4,330.17 × 2,403.16
  4. Step 4: Simplify right side
    2,886.70x = 10,406,091.34
  5. Step 5: Solve for x
    x = 10,406,091.34/2,886.70
  6. Step 6: Final answer
    x = 3,604.84

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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.