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Finding the Fourth Proportional to 5,291.93, 7,302.61 and 3,054.53

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Solution

The fourth proportional to 5,291.93, 7,302.61 and 3,054.53 is: 4,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.93 : 7,302.61 = 3,054.53 : x
  2. Step 2: Convert to fraction form
    5,291.93/7,302.61 = 3,054.53/x
  3. Step 3: Cross multiply
    5,291.93x = 7,302.61 × 3,054.53
  4. Step 4: Simplify right side
    5,291.93x = 22,306,041.32
  5. Step 5: Solve for x
    x = 22,306,041.32/5,291.93
  6. Step 6: Final answer
    x = 4,215.11

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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.