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Finding the Fourth Proportional to 5,605.40, 7,726.99 and 4,608.94

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Solution

The fourth proportional to 5,605.40, 7,726.99 and 4,608.94 is: 6,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.40 : 7,726.99 = 4,608.94 : x
  2. Step 2: Convert to fraction form
    5,605.40/7,726.99 = 4,608.94/x
  3. Step 3: Cross multiply
    5,605.40x = 7,726.99 × 4,608.94
  4. Step 4: Simplify right side
    5,605.40x = 35,613,248.71
  5. Step 5: Solve for x
    x = 35,613,248.71/5,605.40
  6. Step 6: Final answer
    x = 6,353.39

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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.