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Finding the Fourth Proportional to 13,773.58, 19,008.03 and 7,641.44

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Solution

The fourth proportional to 13,773.58, 19,008.03 and 7,641.44 is: 10,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.58 : 19,008.03 = 7,641.44 : x
  2. Step 2: Convert to fraction form
    13,773.58/19,008.03 = 7,641.44/x
  3. Step 3: Cross multiply
    13,773.58x = 19,008.03 × 7,641.44
  4. Step 4: Simplify right side
    13,773.58x = 145,248,725.66
  5. Step 5: Solve for x
    x = 145,248,725.66/13,773.58
  6. Step 6: Final answer
    x = 10,545.46

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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.