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Finding the Fourth Proportional to 70,875.64, 106,323.83 and 25,899.22

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Solution

The fourth proportional to 70,875.64, 106,323.83 and 25,899.22 is: 38,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,875.64 : 106,323.83 = 25,899.22 : x
  2. Step 2: Convert to fraction form
    70,875.64/106,323.83 = 25,899.22/x
  3. Step 3: Cross multiply
    70,875.64x = 106,323.83 × 25,899.22
  4. Step 4: Simplify right side
    70,875.64x = 2,753,704,264.41
  5. Step 5: Solve for x
    x = 2,753,704,264.41/70,875.64
  6. Step 6: Final answer
    x = 38,852.62

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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.