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Finding the Fourth Proportional to 35,121.60, 52,624.80 and 29,246.40

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Solution

The fourth proportional to 35,121.60, 52,624.80 and 29,246.40 is: 43,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.60 : 52,624.80 = 29,246.40 : x
  2. Step 2: Convert to fraction form
    35,121.60/52,624.80 = 29,246.40/x
  3. Step 3: Cross multiply
    35,121.60x = 52,624.80 × 29,246.40
  4. Step 4: Simplify right side
    35,121.60x = 1,539,085,950.72
  5. Step 5: Solve for x
    x = 1,539,085,950.72/35,121.60
  6. Step 6: Final answer
    x = 43,821.64

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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.