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Finding the Fourth Proportional to 14,888.00, 20,545.04 and 8,173.58

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Solution

The fourth proportional to 14,888.00, 20,545.04 and 8,173.58 is: 11,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.00 : 20,545.04 = 8,173.58 : x
  2. Step 2: Convert to fraction form
    14,888.00/20,545.04 = 8,173.58/x
  3. Step 3: Cross multiply
    14,888.00x = 20,545.04 × 8,173.58
  4. Step 4: Simplify right side
    14,888.00x = 167,926,445.75
  5. Step 5: Solve for x
    x = 167,926,445.75/14,888.00
  6. Step 6: Final answer
    x = 11,279.31

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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.