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Finding the Fourth Proportional to 52,624.25, 72,621.47 and 30,268.25

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Solution

The fourth proportional to 52,624.25, 72,621.47 and 30,268.25 is: 41,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,624.25 : 72,621.47 = 30,268.25 : x
  2. Step 2: Convert to fraction form
    52,624.25/72,621.47 = 30,268.25/x
  3. Step 3: Cross multiply
    52,624.25x = 72,621.47 × 30,268.25
  4. Step 4: Simplify right side
    52,624.25x = 2,198,124,657.99
  5. Step 5: Solve for x
    x = 2,198,124,657.99/52,624.25
  6. Step 6: Final answer
    x = 41,770.19

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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.