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Finding the Fourth Proportional to 13,252.59, 19,878.80 and 4,018.59

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Solution

The fourth proportional to 13,252.59, 19,878.80 and 4,018.59 is: 6,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.59 : 19,878.80 = 4,018.59 : x
  2. Step 2: Convert to fraction form
    13,252.59/19,878.80 = 4,018.59/x
  3. Step 3: Cross multiply
    13,252.59x = 19,878.80 × 4,018.59
  4. Step 4: Simplify right side
    13,252.59x = 79,884,726.80
  5. Step 5: Solve for x
    x = 79,884,726.80/13,252.59
  6. Step 6: Final answer
    x = 6,027.86

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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.