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Finding the Fourth Proportional to 7,264.10, 10,024.15 and 4,120.88

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Solution

The fourth proportional to 7,264.10, 10,024.15 and 4,120.88 is: 5,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264.10 : 10,024.15 = 4,120.88 : x
  2. Step 2: Convert to fraction form
    7,264.10/10,024.15 = 4,120.88/x
  3. Step 3: Cross multiply
    7,264.10x = 10,024.15 × 4,120.88
  4. Step 4: Simplify right side
    7,264.10x = 41,308,319.25
  5. Step 5: Solve for x
    x = 41,308,319.25/7,264.10
  6. Step 6: Final answer
    x = 5,686.64

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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.