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Finding the Fourth Proportional to 7,552.59, 10,422.09 and 4,719.81

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Solution

The fourth proportional to 7,552.59, 10,422.09 and 4,719.81 is: 6,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.59 : 10,422.09 = 4,719.81 : x
  2. Step 2: Convert to fraction form
    7,552.59/10,422.09 = 4,719.81/x
  3. Step 3: Cross multiply
    7,552.59x = 10,422.09 × 4,719.81
  4. Step 4: Simplify right side
    7,552.59x = 49,190,284.60
  5. Step 5: Solve for x
    x = 49,190,284.60/7,552.59
  6. Step 6: Final answer
    x = 6,513.04

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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.