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Finding the Fourth Proportional to 23,602.79, 35,405.84 and 7,807.19

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Solution

The fourth proportional to 23,602.79, 35,405.84 and 7,807.19 is: 11,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,602.79 : 35,405.84 = 7,807.19 : x
  2. Step 2: Convert to fraction form
    23,602.79/35,405.84 = 7,807.19/x
  3. Step 3: Cross multiply
    23,602.79x = 35,405.84 × 7,807.19
  4. Step 4: Simplify right side
    23,602.79x = 276,419,962.48
  5. Step 5: Solve for x
    x = 276,419,962.48/23,602.79
  6. Step 6: Final answer
    x = 11,711.32

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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.