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Finding the Fourth Proportional to 36,245.60, 54,368.40 and 9,950.30

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Solution

The fourth proportional to 36,245.60, 54,368.40 and 9,950.30 is: 14,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.60 : 54,368.40 = 9,950.30 : x
  2. Step 2: Convert to fraction form
    36,245.60/54,368.40 = 9,950.30/x
  3. Step 3: Cross multiply
    36,245.60x = 54,368.40 × 9,950.30
  4. Step 4: Simplify right side
    36,245.60x = 540,981,890.52
  5. Step 5: Solve for x
    x = 540,981,890.52/36,245.60
  6. Step 6: Final answer
    x = 14,925.45

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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.