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Finding the Fourth Proportional to 62,994.40, 86,937.18 and 34,705.16

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Solution

The fourth proportional to 62,994.40, 86,937.18 and 34,705.16 is: 47,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,994.40 : 86,937.18 = 34,705.16 : x
  2. Step 2: Convert to fraction form
    62,994.40/86,937.18 = 34,705.16/x
  3. Step 3: Cross multiply
    62,994.40x = 86,937.18 × 34,705.16
  4. Step 4: Simplify right side
    62,994.40x = 3,017,168,741.85
  5. Step 5: Solve for x
    x = 3,017,168,741.85/62,994.40
  6. Step 6: Final answer
    x = 47,895.82

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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.