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Finding the Fourth Proportional to 86,957.20, 130,435.80 and 24,628.24

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Solution

The fourth proportional to 86,957.20, 130,435.80 and 24,628.24 is: 36,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,957.20 : 130,435.80 = 24,628.24 : x
  2. Step 2: Convert to fraction form
    86,957.20/130,435.80 = 24,628.24/x
  3. Step 3: Cross multiply
    86,957.20x = 130,435.80 × 24,628.24
  4. Step 4: Simplify right side
    86,957.20x = 3,212,404,186.99
  5. Step 5: Solve for x
    x = 3,212,404,186.99/86,957.20
  6. Step 6: Final answer
    x = 36,942.36

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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.