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Finding the Fourth Proportional to 14,670.65, 22,009.04 and 4,809.15

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Solution

The fourth proportional to 14,670.65, 22,009.04 and 4,809.15 is: 7,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.65 : 22,009.04 = 4,809.15 : x
  2. Step 2: Convert to fraction form
    14,670.65/22,009.04 = 4,809.15/x
  3. Step 3: Cross multiply
    14,670.65x = 22,009.04 × 4,809.15
  4. Step 4: Simplify right side
    14,670.65x = 105,844,750.67
  5. Step 5: Solve for x
    x = 105,844,750.67/14,670.65
  6. Step 6: Final answer
    x = 7,214.73

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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.