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Finding the Fourth Proportional to 70,037.99, 105,057.91 and 22,005.03

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Solution

The fourth proportional to 70,037.99, 105,057.91 and 22,005.03 is: 33,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,037.99 : 105,057.91 = 22,005.03 : x
  2. Step 2: Convert to fraction form
    70,037.99/105,057.91 = 22,005.03/x
  3. Step 3: Cross multiply
    70,037.99x = 105,057.91 × 22,005.03
  4. Step 4: Simplify right side
    70,037.99x = 2,311,802,461.29
  5. Step 5: Solve for x
    x = 2,311,802,461.29/70,037.99
  6. Step 6: Final answer
    x = 33,007.84

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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.