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Finding the Fourth Proportional to 15,235.60, 22,855.68 and 4,849.68

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Solution

The fourth proportional to 15,235.60, 22,855.68 and 4,849.68 is: 7,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.60 : 22,855.68 = 4,849.68 : x
  2. Step 2: Convert to fraction form
    15,235.60/22,855.68 = 4,849.68/x
  3. Step 3: Cross multiply
    15,235.60x = 22,855.68 × 4,849.68
  4. Step 4: Simplify right side
    15,235.60x = 110,842,734.18
  5. Step 5: Solve for x
    x = 110,842,734.18/15,235.60
  6. Step 6: Final answer
    x = 7,275.25

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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.