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Finding the Fourth Proportional to 66,368.70, 99,553.05 and 24,810.30

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Solution

The fourth proportional to 66,368.70, 99,553.05 and 24,810.30 is: 37,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,368.70 : 99,553.05 = 24,810.30 : x
  2. Step 2: Convert to fraction form
    66,368.70/99,553.05 = 24,810.30/x
  3. Step 3: Cross multiply
    66,368.70x = 99,553.05 × 24,810.30
  4. Step 4: Simplify right side
    66,368.70x = 2,469,941,036.42
  5. Step 5: Solve for x
    x = 2,469,941,036.42/66,368.70
  6. Step 6: Final answer
    x = 37,215.45

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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.