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Finding the Fourth Proportional to 7,459.76, 10,260.06 and 6,264.20

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Solution

The fourth proportional to 7,459.76, 10,260.06 and 6,264.20 is: 8,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.76 : 10,260.06 = 6,264.20 : x
  2. Step 2: Convert to fraction form
    7,459.76/10,260.06 = 6,264.20/x
  3. Step 3: Cross multiply
    7,459.76x = 10,260.06 × 6,264.20
  4. Step 4: Simplify right side
    7,459.76x = 64,271,067.85
  5. Step 5: Solve for x
    x = 64,271,067.85/7,459.76
  6. Step 6: Final answer
    x = 8,615.70

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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.