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Finding the Fourth Proportional to 19,602.77, 29,405.79 and 6,277.71

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Solution

The fourth proportional to 19,602.77, 29,405.79 and 6,277.71 is: 9,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.77 : 29,405.79 = 6,277.71 : x
  2. Step 2: Convert to fraction form
    19,602.77/29,405.79 = 6,277.71/x
  3. Step 3: Cross multiply
    19,602.77x = 29,405.79 × 6,277.71
  4. Step 4: Simplify right side
    19,602.77x = 184,601,021.94
  5. Step 5: Solve for x
    x = 184,601,021.94/19,602.77
  6. Step 6: Final answer
    x = 9,417.09

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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.