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Finding the Fourth Proportional to 66,247.83, 91,420.74 and 36,032.67

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Solution

The fourth proportional to 66,247.83, 91,420.74 and 36,032.67 is: 49,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.83 : 91,420.74 = 36,032.67 : x
  2. Step 2: Convert to fraction form
    66,247.83/91,420.74 = 36,032.67/x
  3. Step 3: Cross multiply
    66,247.83x = 91,420.74 × 36,032.67
  4. Step 4: Simplify right side
    66,247.83x = 3,294,133,355.58
  5. Step 5: Solve for x
    x = 3,294,133,355.58/66,247.83
  6. Step 6: Final answer
    x = 49,724.40

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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.