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Finding the Fourth Proportional to 10,494.76, 15,751.74 and 6,606.12

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Solution

The fourth proportional to 10,494.76, 15,751.74 and 6,606.12 is: 9,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494.76 : 15,751.74 = 6,606.12 : x
  2. Step 2: Convert to fraction form
    10,494.76/15,751.74 = 6,606.12/x
  3. Step 3: Cross multiply
    10,494.76x = 15,751.74 × 6,606.12
  4. Step 4: Simplify right side
    10,494.76x = 104,057,884.65
  5. Step 5: Solve for x
    x = 104,057,884.65/10,494.76
  6. Step 6: Final answer
    x = 9,915.22

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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.