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Finding the Fourth Proportional to 15,201.77, 22,785.62 and 9,946.89

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Solution

The fourth proportional to 15,201.77, 22,785.62 and 9,946.89 is: 14,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.77 : 22,785.62 = 9,946.89 : x
  2. Step 2: Convert to fraction form
    15,201.77/22,785.62 = 9,946.89/x
  3. Step 3: Cross multiply
    15,201.77x = 22,785.62 × 9,946.89
  4. Step 4: Simplify right side
    15,201.77x = 226,646,005.99
  5. Step 5: Solve for x
    x = 226,646,005.99/15,201.77
  6. Step 6: Final answer
    x = 14,909.19

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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.