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Finding the Fourth Proportional to 63,277.68, 87,319.71 and 34,981.50

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Solution

The fourth proportional to 63,277.68, 87,319.71 and 34,981.50 is: 48,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,277.68 : 87,319.71 = 34,981.50 : x
  2. Step 2: Convert to fraction form
    63,277.68/87,319.71 = 34,981.50/x
  3. Step 3: Cross multiply
    63,277.68x = 87,319.71 × 34,981.50
  4. Step 4: Simplify right side
    63,277.68x = 3,054,574,435.37
  5. Step 5: Solve for x
    x = 3,054,574,435.37/63,277.68
  6. Step 6: Final answer
    x = 48,272.54

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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.