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Finding the Fourth Proportional to 7,059.78, 9,752.49 and 5,652.81

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Solution

The fourth proportional to 7,059.78, 9,752.49 and 5,652.81 is: 7,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.78 : 9,752.49 = 5,652.81 : x
  2. Step 2: Convert to fraction form
    7,059.78/9,752.49 = 5,652.81/x
  3. Step 3: Cross multiply
    7,059.78x = 9,752.49 × 5,652.81
  4. Step 4: Simplify right side
    7,059.78x = 55,128,973.00
  5. Step 5: Solve for x
    x = 55,128,973.00/7,059.78
  6. Step 6: Final answer
    x = 7,808.88

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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.