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Finding the Fourth Proportional to 9,239.04, 12,750.08 and 5,047.20

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Solution

The fourth proportional to 9,239.04, 12,750.08 and 5,047.20 is: 6,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.04 : 12,750.08 = 5,047.20 : x
  2. Step 2: Convert to fraction form
    9,239.04/12,750.08 = 5,047.20/x
  3. Step 3: Cross multiply
    9,239.04x = 12,750.08 × 5,047.20
  4. Step 4: Simplify right side
    9,239.04x = 64,352,203.78
  5. Step 5: Solve for x
    x = 64,352,203.78/9,239.04
  6. Step 6: Final answer
    x = 6,965.25

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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.