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Finding the Fourth Proportional to 30,053.76, 41,473.44 and 16,625.76

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Solution

The fourth proportional to 30,053.76, 41,473.44 and 16,625.76 is: 22,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.76 : 41,473.44 = 16,625.76 : x
  2. Step 2: Convert to fraction form
    30,053.76/41,473.44 = 16,625.76/x
  3. Step 3: Cross multiply
    30,053.76x = 41,473.44 × 16,625.76
  4. Step 4: Simplify right side
    30,053.76x = 689,527,459.81
  5. Step 5: Solve for x
    x = 689,527,459.81/30,053.76
  6. Step 6: Final answer
    x = 22,943.13

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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.