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Finding the Fourth Proportional to 58,752.72, 81,089.12 and 33,260.54

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Solution

The fourth proportional to 58,752.72, 81,089.12 and 33,260.54 is: 45,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752.72 : 81,089.12 = 33,260.54 : x
  2. Step 2: Convert to fraction form
    58,752.72/81,089.12 = 33,260.54/x
  3. Step 3: Cross multiply
    58,752.72x = 81,089.12 × 33,260.54
  4. Step 4: Simplify right side
    58,752.72x = 2,697,067,347.58
  5. Step 5: Solve for x
    x = 2,697,067,347.58/58,752.72
  6. Step 6: Final answer
    x = 45,905.40

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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.