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Finding the Fourth Proportional to 61,341.84, 84,651.75 and 34,484.40

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Solution

The fourth proportional to 61,341.84, 84,651.75 and 34,484.40 is: 47,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,341.84 : 84,651.75 = 34,484.40 : x
  2. Step 2: Convert to fraction form
    61,341.84/84,651.75 = 34,484.40/x
  3. Step 3: Cross multiply
    61,341.84x = 84,651.75 × 34,484.40
  4. Step 4: Simplify right side
    61,341.84x = 2,919,164,807.70
  5. Step 5: Solve for x
    x = 2,919,164,807.70/61,341.84
  6. Step 6: Final answer
    x = 47,588.48

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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.