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Finding the Fourth Proportional to 65,356.46, 90,184.56 and 36,672.32

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Solution

The fourth proportional to 65,356.46, 90,184.56 and 36,672.32 is: 50,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,356.46 : 90,184.56 = 36,672.32 : x
  2. Step 2: Convert to fraction form
    65,356.46/90,184.56 = 36,672.32/x
  3. Step 3: Cross multiply
    65,356.46x = 90,184.56 × 36,672.32
  4. Step 4: Simplify right side
    65,356.46x = 3,307,277,043.38
  5. Step 5: Solve for x
    x = 3,307,277,043.38/65,356.46
  6. Step 6: Final answer
    x = 50,603.67

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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.