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Finding the Fourth Proportional to 3,256.48, 4,881.47 and 1,868.14

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Solution

The fourth proportional to 3,256.48, 4,881.47 and 1,868.14 is: 2,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.48 : 4,881.47 = 1,868.14 : x
  2. Step 2: Convert to fraction form
    3,256.48/4,881.47 = 1,868.14/x
  3. Step 3: Cross multiply
    3,256.48x = 4,881.47 × 1,868.14
  4. Step 4: Simplify right side
    3,256.48x = 9,119,244.96
  5. Step 5: Solve for x
    x = 9,119,244.96/3,256.48
  6. Step 6: Final answer
    x = 2,800.34

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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.