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Finding the Fourth Proportional to 57,394.69, 79,211.09 and 34,746.16

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Solution

The fourth proportional to 57,394.69, 79,211.09 and 34,746.16 is: 47,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.69 : 79,211.09 = 34,746.16 : x
  2. Step 2: Convert to fraction form
    57,394.69/79,211.09 = 34,746.16/x
  3. Step 3: Cross multiply
    57,394.69x = 79,211.09 × 34,746.16
  4. Step 4: Simplify right side
    57,394.69x = 2,752,281,206.91
  5. Step 5: Solve for x
    x = 2,752,281,206.91/57,394.69
  6. Step 6: Final answer
    x = 47,953.59

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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.