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Finding the Fourth Proportional to 58,788.28, 81,072.54 and 45,338.23

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Solution

The fourth proportional to 58,788.28, 81,072.54 and 45,338.23 is: 62,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,788.28 : 81,072.54 = 45,338.23 : x
  2. Step 2: Convert to fraction form
    58,788.28/81,072.54 = 45,338.23/x
  3. Step 3: Cross multiply
    58,788.28x = 81,072.54 × 45,338.23
  4. Step 4: Simplify right side
    58,788.28x = 3,675,685,465.20
  5. Step 5: Solve for x
    x = 3,675,685,465.20/58,788.28
  6. Step 6: Final answer
    x = 62,524.12

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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.