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Finding the Fourth Proportional to 9,602.91, 14,407.20 and 5,807.79

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Solution

The fourth proportional to 9,602.91, 14,407.20 and 5,807.79 is: 8,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,602.91 : 14,407.20 = 5,807.79 : x
  2. Step 2: Convert to fraction form
    9,602.91/14,407.20 = 5,807.79/x
  3. Step 3: Cross multiply
    9,602.91x = 14,407.20 × 5,807.79
  4. Step 4: Simplify right side
    9,602.91x = 83,673,992.09
  5. Step 5: Solve for x
    x = 83,673,992.09/9,602.91
  6. Step 6: Final answer
    x = 8,713.40

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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.