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Finding the Fourth Proportional to 62,303.78, 85,969.08 and 36,806.60

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Solution

The fourth proportional to 62,303.78, 85,969.08 and 36,806.60 is: 50,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,303.78 : 85,969.08 = 36,806.60 : x
  2. Step 2: Convert to fraction form
    62,303.78/85,969.08 = 36,806.60/x
  3. Step 3: Cross multiply
    62,303.78x = 85,969.08 × 36,806.60
  4. Step 4: Simplify right side
    62,303.78x = 3,164,229,539.93
  5. Step 5: Solve for x
    x = 3,164,229,539.93/62,303.78
  6. Step 6: Final answer
    x = 50,787.12

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1.5x scale

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.