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Finding the Fourth Proportional to 4,603.09, 6,869.86 and 4,290.97

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Solution

The fourth proportional to 4,603.09, 6,869.86 and 4,290.97 is: 6,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.09 : 6,869.86 = 4,290.97 : x
  2. Step 2: Convert to fraction form
    4,603.09/6,869.86 = 4,290.97/x
  3. Step 3: Cross multiply
    4,603.09x = 6,869.86 × 4,290.97
  4. Step 4: Simplify right side
    4,603.09x = 29,478,363.16
  5. Step 5: Solve for x
    x = 29,478,363.16/4,603.09
  6. Step 6: Final answer
    x = 6,404.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.