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Finding the Fourth Proportional to 34,653.43, 47,816.42 and 19,545.43

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Solution

The fourth proportional to 34,653.43, 47,816.42 and 19,545.43 is: 26,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653.43 : 47,816.42 = 19,545.43 : x
  2. Step 2: Convert to fraction form
    34,653.43/47,816.42 = 19,545.43/x
  3. Step 3: Cross multiply
    34,653.43x = 47,816.42 × 19,545.43
  4. Step 4: Simplify right side
    34,653.43x = 934,592,299.74
  5. Step 5: Solve for x
    x = 934,592,299.74/34,653.43
  6. Step 6: Final answer
    x = 26,969.69

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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.