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Finding the Fourth Proportional to 66,349.40, 99,524.10 and 19,601.60

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Solution

The fourth proportional to 66,349.40, 99,524.10 and 19,601.60 is: 29,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,349.40 : 99,524.10 = 19,601.60 : x
  2. Step 2: Convert to fraction form
    66,349.40/99,524.10 = 19,601.60/x
  3. Step 3: Cross multiply
    66,349.40x = 99,524.10 × 19,601.60
  4. Step 4: Simplify right side
    66,349.40x = 1,950,831,598.56
  5. Step 5: Solve for x
    x = 1,950,831,598.56/66,349.40
  6. Step 6: Final answer
    x = 29,402.40

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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.