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Finding the Fourth Proportional to 7,256.65, 10,014.09 and 6,661.54

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Solution

The fourth proportional to 7,256.65, 10,014.09 and 6,661.54 is: 9,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.65 : 10,014.09 = 6,661.54 : x
  2. Step 2: Convert to fraction form
    7,256.65/10,014.09 = 6,661.54/x
  3. Step 3: Cross multiply
    7,256.65x = 10,014.09 × 6,661.54
  4. Step 4: Simplify right side
    7,256.65x = 66,709,261.10
  5. Step 5: Solve for x
    x = 66,709,261.10/7,256.65
  6. Step 6: Final answer
    x = 9,192.85

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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.