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Finding the Fourth Proportional to 19,758.52, 29,642.60 and 5,907.52

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Solution

The fourth proportional to 19,758.52, 29,642.60 and 5,907.52 is: 8,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.52 : 29,642.60 = 5,907.52 : x
  2. Step 2: Convert to fraction form
    19,758.52/29,642.60 = 5,907.52/x
  3. Step 3: Cross multiply
    19,758.52x = 29,642.60 × 5,907.52
  4. Step 4: Simplify right side
    19,758.52x = 175,114,252.35
  5. Step 5: Solve for x
    x = 175,114,252.35/19,758.52
  6. Step 6: Final answer
    x = 8,862.72

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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.