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Finding the Fourth Proportional to 10,009.53, 15,014.54 and 7,673.76

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Solution

The fourth proportional to 10,009.53, 15,014.54 and 7,673.76 is: 11,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.53 : 15,014.54 = 7,673.76 : x
  2. Step 2: Convert to fraction form
    10,009.53/15,014.54 = 7,673.76/x
  3. Step 3: Cross multiply
    10,009.53x = 15,014.54 × 7,673.76
  4. Step 4: Simplify right side
    10,009.53x = 115,217,995.65
  5. Step 5: Solve for x
    x = 115,217,995.65/10,009.53
  6. Step 6: Final answer
    x = 11,510.83

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1.5x scale

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.