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Finding the Fourth Proportional to 53,493.55, 73,821.08 and 29,620.22

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Solution

The fourth proportional to 53,493.55, 73,821.08 and 29,620.22 is: 40,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.55 : 73,821.08 = 29,620.22 : x
  2. Step 2: Convert to fraction form
    53,493.55/73,821.08 = 29,620.22/x
  3. Step 3: Cross multiply
    53,493.55x = 73,821.08 × 29,620.22
  4. Step 4: Simplify right side
    53,493.55x = 2,186,596,335.18
  5. Step 5: Solve for x
    x = 2,186,596,335.18/53,493.55
  6. Step 6: Final answer
    x = 40,875.89

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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.