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Finding the Fourth Proportional to 10,777.65, 14,873.28 and 6,061.89

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Solution

The fourth proportional to 10,777.65, 14,873.28 and 6,061.89 is: 8,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.65 : 14,873.28 = 6,061.89 : x
  2. Step 2: Convert to fraction form
    10,777.65/14,873.28 = 6,061.89/x
  3. Step 3: Cross multiply
    10,777.65x = 14,873.28 × 6,061.89
  4. Step 4: Simplify right side
    10,777.65x = 90,160,187.30
  5. Step 5: Solve for x
    x = 90,160,187.30/10,777.65
  6. Step 6: Final answer
    x = 8,365.48

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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.