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Finding the Fourth Proportional to 10,065.80, 15,100.80 and 3,046.32

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Solution

The fourth proportional to 10,065.80, 15,100.80 and 3,046.32 is: 4,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.80 : 15,100.80 = 3,046.32 : x
  2. Step 2: Convert to fraction form
    10,065.80/15,100.80 = 3,046.32/x
  3. Step 3: Cross multiply
    10,065.80x = 15,100.80 × 3,046.32
  4. Step 4: Simplify right side
    10,065.80x = 46,001,869.06
  5. Step 5: Solve for x
    x = 46,001,869.06/10,065.80
  6. Step 6: Final answer
    x = 4,570.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.