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Finding the Fourth Proportional to 52,662.83, 72,666.58 and 29,998.95

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Solution

The fourth proportional to 52,662.83, 72,666.58 and 29,998.95 is: 41,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,662.83 : 72,666.58 = 29,998.95 : x
  2. Step 2: Convert to fraction form
    52,662.83/72,666.58 = 29,998.95/x
  3. Step 3: Cross multiply
    52,662.83x = 72,666.58 × 29,998.95
  4. Step 4: Simplify right side
    52,662.83x = 2,179,921,100.09
  5. Step 5: Solve for x
    x = 2,179,921,100.09/52,662.83
  6. Step 6: Final answer
    x = 41,393.92

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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.