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Finding the Fourth Proportional to 61,972, 85,519.02 and 33,677.08

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Solution

The fourth proportional to 61,972, 85,519.02 and 33,677.08 is: 46,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,972 : 85,519.02 = 33,677.08 : x
  2. Step 2: Convert to fraction form
    61,972/85,519.02 = 33,677.08/x
  3. Step 3: Cross multiply
    61,972x = 85,519.02 × 33,677.08
  4. Step 4: Simplify right side
    61,972x = 2,880,030,878.06
  5. Step 5: Solve for x
    x = 2,880,030,878.06/61,972
  6. Step 6: Final answer
    x = 46,473.10

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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.