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Finding the Fourth Proportional to 1,885.86, 2,602.49 and 1,046.55

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Solution

The fourth proportional to 1,885.86, 2,602.49 and 1,046.55 is: 1,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.86 : 2,602.49 = 1,046.55 : x
  2. Step 2: Convert to fraction form
    1,885.86/2,602.49 = 1,046.55/x
  3. Step 3: Cross multiply
    1,885.86x = 2,602.49 × 1,046.55
  4. Step 4: Simplify right side
    1,885.86x = 2,723,630.68
  5. Step 5: Solve for x
    x = 2,723,630.68/1,885.86
  6. Step 6: Final answer
    x = 1,444.24

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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.