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Finding the Fourth Proportional to 24,477.79, 33,771.18 and 16,921.39

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Solution

The fourth proportional to 24,477.79, 33,771.18 and 16,921.39 is: 23,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,477.79 : 33,771.18 = 16,921.39 : x
  2. Step 2: Convert to fraction form
    24,477.79/33,771.18 = 16,921.39/x
  3. Step 3: Cross multiply
    24,477.79x = 33,771.18 × 16,921.39
  4. Step 4: Simplify right side
    24,477.79x = 571,455,307.54
  5. Step 5: Solve for x
    x = 571,455,307.54/24,477.79
  6. Step 6: Final answer
    x = 23,345.87

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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.