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Finding the Fourth Proportional to 66,233.50, 99,325.95 and 21,847.12

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Solution

The fourth proportional to 66,233.50, 99,325.95 and 21,847.12 is: 32,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.50 : 99,325.95 = 21,847.12 : x
  2. Step 2: Convert to fraction form
    66,233.50/99,325.95 = 21,847.12/x
  3. Step 3: Cross multiply
    66,233.50x = 99,325.95 × 21,847.12
  4. Step 4: Simplify right side
    66,233.50x = 2,169,985,948.76
  5. Step 5: Solve for x
    x = 2,169,985,948.76/66,233.50
  6. Step 6: Final answer
    x = 32,762.66

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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.