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Finding the Fourth Proportional to 57,547.01, 79,418.88 and 34,886.97

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Solution

The fourth proportional to 57,547.01, 79,418.88 and 34,886.97 is: 48,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,547.01 : 79,418.88 = 34,886.97 : x
  2. Step 2: Convert to fraction form
    57,547.01/79,418.88 = 34,886.97/x
  3. Step 3: Cross multiply
    57,547.01x = 79,418.88 × 34,886.97
  4. Step 4: Simplify right side
    57,547.01x = 2,770,684,083.99
  5. Step 5: Solve for x
    x = 2,770,684,083.99/57,547.01
  6. Step 6: Final answer
    x = 48,146.45

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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.