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Finding the Fourth Proportional to 61,990.84, 85,547.88 and 33,696.52

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Solution

The fourth proportional to 61,990.84, 85,547.88 and 33,696.52 is: 46,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990.84 : 85,547.88 = 33,696.52 : x
  2. Step 2: Convert to fraction form
    61,990.84/85,547.88 = 33,696.52/x
  3. Step 3: Cross multiply
    61,990.84x = 85,547.88 × 33,696.52
  4. Step 4: Simplify right side
    61,990.84x = 2,882,665,849.38
  5. Step 5: Solve for x
    x = 2,882,665,849.38/61,990.84
  6. Step 6: Final answer
    x = 46,501.48

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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.