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Finding the Fourth Proportional to 72,673.68, 109,010.76 and 22,073.08

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Solution

The fourth proportional to 72,673.68, 109,010.76 and 22,073.08 is: 33,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673.68 : 109,010.76 = 22,073.08 : x
  2. Step 2: Convert to fraction form
    72,673.68/109,010.76 = 22,073.08/x
  3. Step 3: Cross multiply
    72,673.68x = 109,010.76 × 22,073.08
  4. Step 4: Simplify right side
    72,673.68x = 2,406,203,226.34
  5. Step 5: Solve for x
    x = 2,406,203,226.34/72,673.68
  6. Step 6: Final answer
    x = 33,109.69

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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.