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Finding the Fourth Proportional to 66,953.67, 100,436.40 and 24,834.21

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Solution

The fourth proportional to 66,953.67, 100,436.40 and 24,834.21 is: 37,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.67 : 100,436.40 = 24,834.21 : x
  2. Step 2: Convert to fraction form
    66,953.67/100,436.40 = 24,834.21/x
  3. Step 3: Cross multiply
    66,953.67x = 100,436.40 × 24,834.21
  4. Step 4: Simplify right side
    66,953.67x = 2,494,258,649.24
  5. Step 5: Solve for x
    x = 2,494,258,649.24/66,953.67
  6. Step 6: Final answer
    x = 37,253.50

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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.