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Finding the Fourth Proportional to 53,472.74, 80,208.99 and 21,897.51

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Solution

The fourth proportional to 53,472.74, 80,208.99 and 21,897.51 is: 32,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.74 : 80,208.99 = 21,897.51 : x
  2. Step 2: Convert to fraction form
    53,472.74/80,208.99 = 21,897.51/x
  3. Step 3: Cross multiply
    53,472.74x = 80,208.99 × 21,897.51
  4. Step 4: Simplify right side
    53,472.74x = 1,756,377,160.61
  5. Step 5: Solve for x
    x = 1,756,377,160.61/53,472.74
  6. Step 6: Final answer
    x = 32,846.22

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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.