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Finding the Fourth Proportional to 3,565.27, 4,939.95 and 3,484.63

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Solution

The fourth proportional to 3,565.27, 4,939.95 and 3,484.63 is: 4,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.27 : 4,939.95 = 3,484.63 : x
  2. Step 2: Convert to fraction form
    3,565.27/4,939.95 = 3,484.63/x
  3. Step 3: Cross multiply
    3,565.27x = 4,939.95 × 3,484.63
  4. Step 4: Simplify right side
    3,565.27x = 17,213,897.97
  5. Step 5: Solve for x
    x = 17,213,897.97/3,565.27
  6. Step 6: Final answer
    x = 4,828.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.