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Finding the Fourth Proportional to 9,242.40, 12,754.04 and 5,050.64

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Solution

The fourth proportional to 9,242.40, 12,754.04 and 5,050.64 is: 6,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.40 : 12,754.04 = 5,050.64 : x
  2. Step 2: Convert to fraction form
    9,242.40/12,754.04 = 5,050.64/x
  3. Step 3: Cross multiply
    9,242.40x = 12,754.04 × 5,050.64
  4. Step 4: Simplify right side
    9,242.40x = 64,416,064.59
  5. Step 5: Solve for x
    x = 64,416,064.59/9,242.40
  6. Step 6: Final answer
    x = 6,969.63

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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.