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Finding the Fourth Proportional to 9,064.66, 12,509.04 and 5,031.25

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Solution

The fourth proportional to 9,064.66, 12,509.04 and 5,031.25 is: 6,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.66 : 12,509.04 = 5,031.25 : x
  2. Step 2: Convert to fraction form
    9,064.66/12,509.04 = 5,031.25/x
  3. Step 3: Cross multiply
    9,064.66x = 12,509.04 × 5,031.25
  4. Step 4: Simplify right side
    9,064.66x = 62,936,107.50
  5. Step 5: Solve for x
    x = 62,936,107.50/9,064.66
  6. Step 6: Final answer
    x = 6,943.02

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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.