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Finding the Fourth Proportional to 58,283.91, 80,431.91 and 34,412.12

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Solution

The fourth proportional to 58,283.91, 80,431.91 and 34,412.12 is: 47,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,283.91 : 80,431.91 = 34,412.12 : x
  2. Step 2: Convert to fraction form
    58,283.91/80,431.91 = 34,412.12/x
  3. Step 3: Cross multiply
    58,283.91x = 80,431.91 × 34,412.12
  4. Step 4: Simplify right side
    58,283.91x = 2,767,832,538.75
  5. Step 5: Solve for x
    x = 2,767,832,538.75/58,283.91
  6. Step 6: Final answer
    x = 47,488.79

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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.