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Finding the Fourth Proportional to 29,821, 44,703.72 and 10,085.76

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Solution

The fourth proportional to 29,821, 44,703.72 and 10,085.76 is: 15,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821 : 44,703.72 = 10,085.76 : x
  2. Step 2: Convert to fraction form
    29,821/44,703.72 = 10,085.76/x
  3. Step 3: Cross multiply
    29,821x = 44,703.72 × 10,085.76
  4. Step 4: Simplify right side
    29,821x = 450,870,991.03
  5. Step 5: Solve for x
    x = 450,870,991.03/29,821
  6. Step 6: Final answer
    x = 15,119.24

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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.