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Finding the Fourth Proportional to 55,368.98, 76,414.80 and 32,715.30

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Solution

The fourth proportional to 55,368.98, 76,414.80 and 32,715.30 is: 45,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.98 : 76,414.80 = 32,715.30 : x
  2. Step 2: Convert to fraction form
    55,368.98/76,414.80 = 32,715.30/x
  3. Step 3: Cross multiply
    55,368.98x = 76,414.80 × 32,715.30
  4. Step 4: Simplify right side
    55,368.98x = 2,499,933,106.44
  5. Step 5: Solve for x
    x = 2,499,933,106.44/55,368.98
  6. Step 6: Final answer
    x = 45,150.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.