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Finding the Fourth Proportional to 34,894.30, 51,971.95 and 34,724.38

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Solution

The fourth proportional to 34,894.30, 51,971.95 and 34,724.38 is: 51,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.30 : 51,971.95 = 34,724.38 : x
  2. Step 2: Convert to fraction form
    34,894.30/51,971.95 = 34,724.38/x
  3. Step 3: Cross multiply
    34,894.30x = 51,971.95 × 34,724.38
  4. Step 4: Simplify right side
    34,894.30x = 1,804,693,741.14
  5. Step 5: Solve for x
    x = 1,804,693,741.14/34,894.30
  6. Step 6: Final answer
    x = 51,718.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.