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Finding the Fourth Proportional to 3,418.07, 5,125.01 and 1,569.74

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Solution

The fourth proportional to 3,418.07, 5,125.01 and 1,569.74 is: 2,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.07 : 5,125.01 = 1,569.74 : x
  2. Step 2: Convert to fraction form
    3,418.07/5,125.01 = 1,569.74/x
  3. Step 3: Cross multiply
    3,418.07x = 5,125.01 × 1,569.74
  4. Step 4: Simplify right side
    3,418.07x = 8,044,899.72
  5. Step 5: Solve for x
    x = 8,044,899.72/3,418.07
  6. Step 6: Final answer
    x = 2,353.64

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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.