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Finding the Fourth Proportional to 66,048.70, 98,903.90 and 36,433.62

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Solution

The fourth proportional to 66,048.70, 98,903.90 and 36,433.62 is: 54,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048.70 : 98,903.90 = 36,433.62 : x
  2. Step 2: Convert to fraction form
    66,048.70/98,903.90 = 36,433.62/x
  3. Step 3: Cross multiply
    66,048.70x = 98,903.90 × 36,433.62
  4. Step 4: Simplify right side
    66,048.70x = 3,603,426,432.43
  5. Step 5: Solve for x
    x = 3,603,426,432.43/66,048.70
  6. Step 6: Final answer
    x = 54,557.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.