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Finding the Fourth Proportional to 7,043.02, 9,716.98 and 4,058.76

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Solution

The fourth proportional to 7,043.02, 9,716.98 and 4,058.76 is: 5,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.02 : 9,716.98 = 4,058.76 : x
  2. Step 2: Convert to fraction form
    7,043.02/9,716.98 = 4,058.76/x
  3. Step 3: Cross multiply
    7,043.02x = 9,716.98 × 4,058.76
  4. Step 4: Simplify right side
    7,043.02x = 39,438,889.74
  5. Step 5: Solve for x
    x = 39,438,889.74/7,043.02
  6. Step 6: Final answer
    x = 5,599.71

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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.