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Finding the Fourth Proportional to 72,551.61, 108,837.81 and 22,636.17

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Solution

The fourth proportional to 72,551.61, 108,837.81 and 22,636.17 is: 33,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,551.61 : 108,837.81 = 22,636.17 : x
  2. Step 2: Convert to fraction form
    72,551.61/108,837.81 = 22,636.17/x
  3. Step 3: Cross multiply
    72,551.61x = 108,837.81 × 22,636.17
  4. Step 4: Simplify right side
    72,551.61x = 2,463,671,169.59
  5. Step 5: Solve for x
    x = 2,463,671,169.59/72,551.61
  6. Step 6: Final answer
    x = 33,957.50

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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.