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Finding the Fourth Proportional to 7,695.92, 10,620.54 and 4,552.16

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Solution

The fourth proportional to 7,695.92, 10,620.54 and 4,552.16 is: 6,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.92 : 10,620.54 = 4,552.16 : x
  2. Step 2: Convert to fraction form
    7,695.92/10,620.54 = 4,552.16/x
  3. Step 3: Cross multiply
    7,695.92x = 10,620.54 × 4,552.16
  4. Step 4: Simplify right side
    7,695.92x = 48,346,397.37
  5. Step 5: Solve for x
    x = 48,346,397.37/7,695.92
  6. Step 6: Final answer
    x = 6,282.08

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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.