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Finding the Fourth Proportional to 61,048.04, 84,231.05 and 35,214.48

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Solution

The fourth proportional to 61,048.04, 84,231.05 and 35,214.48 is: 48,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,048.04 : 84,231.05 = 35,214.48 : x
  2. Step 2: Convert to fraction form
    61,048.04/84,231.05 = 35,214.48/x
  3. Step 3: Cross multiply
    61,048.04x = 84,231.05 × 35,214.48
  4. Step 4: Simplify right side
    61,048.04x = 2,966,152,449.53
  5. Step 5: Solve for x
    x = 2,966,152,449.53/61,048.04
  6. Step 6: Final answer
    x = 48,587.19

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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.