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Finding the Fourth Proportional to 34,449.08, 47,539.80 and 19,545.08

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Solution

The fourth proportional to 34,449.08, 47,539.80 and 19,545.08 is: 26,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.08 : 47,539.80 = 19,545.08 : x
  2. Step 2: Convert to fraction form
    34,449.08/47,539.80 = 19,545.08/x
  3. Step 3: Cross multiply
    34,449.08x = 47,539.80 × 19,545.08
  4. Step 4: Simplify right side
    34,449.08x = 929,169,194.18
  5. Step 5: Solve for x
    x = 929,169,194.18/34,449.08
  6. Step 6: Final answer
    x = 26,972.25

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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.