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Finding the Fourth Proportional to 66,039.40, 99,059.10 and 24,477.80

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Solution

The fourth proportional to 66,039.40, 99,059.10 and 24,477.80 is: 36,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039.40 : 99,059.10 = 24,477.80 : x
  2. Step 2: Convert to fraction form
    66,039.40/99,059.10 = 24,477.80/x
  3. Step 3: Cross multiply
    66,039.40x = 99,059.10 × 24,477.80
  4. Step 4: Simplify right side
    66,039.40x = 2,424,748,837.98
  5. Step 5: Solve for x
    x = 2,424,748,837.98/66,039.40
  6. Step 6: Final answer
    x = 36,716.70

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Similar ratio
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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.