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Finding the Fourth Proportional to 29,930.72, 41,303.72 and 16,501.73

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Solution

The fourth proportional to 29,930.72, 41,303.72 and 16,501.73 is: 22,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,930.72 : 41,303.72 = 16,501.73 : x
  2. Step 2: Convert to fraction form
    29,930.72/41,303.72 = 16,501.73/x
  3. Step 3: Cross multiply
    29,930.72x = 41,303.72 × 16,501.73
  4. Step 4: Simplify right side
    29,930.72x = 681,582,670.17
  5. Step 5: Solve for x
    x = 681,582,670.17/29,930.72
  6. Step 6: Final answer
    x = 22,772.01

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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.