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Finding the Fourth Proportional to 19,595.52, 29,393.01 and 7,115.04

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Solution

The fourth proportional to 19,595.52, 29,393.01 and 7,115.04 is: 10,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.52 : 29,393.01 = 7,115.04 : x
  2. Step 2: Convert to fraction form
    19,595.52/29,393.01 = 7,115.04/x
  3. Step 3: Cross multiply
    19,595.52x = 29,393.01 × 7,115.04
  4. Step 4: Simplify right side
    19,595.52x = 209,132,441.87
  5. Step 5: Solve for x
    x = 209,132,441.87/19,595.52
  6. Step 6: Final answer
    x = 10,672.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.