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Finding the Fourth Proportional to 43,262.84, 64,866.36 and 16,970.24

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Solution

The fourth proportional to 43,262.84, 64,866.36 and 16,970.24 is: 25,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.84 : 64,866.36 = 16,970.24 : x
  2. Step 2: Convert to fraction form
    43,262.84/64,866.36 = 16,970.24/x
  3. Step 3: Cross multiply
    43,262.84x = 64,866.36 × 16,970.24
  4. Step 4: Simplify right side
    43,262.84x = 1,100,797,697.13
  5. Step 5: Solve for x
    x = 1,100,797,697.13/43,262.84
  6. Step 6: Final answer
    x = 25,444.42

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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.