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Finding the Fourth Proportional to 54,303.90, 81,451.80 and 22,705.80

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Solution

The fourth proportional to 54,303.90, 81,451.80 and 22,705.80 is: 34,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.90 : 81,451.80 = 22,705.80 : x
  2. Step 2: Convert to fraction form
    54,303.90/81,451.80 = 22,705.80/x
  3. Step 3: Cross multiply
    54,303.90x = 81,451.80 × 22,705.80
  4. Step 4: Simplify right side
    54,303.90x = 1,849,428,280.44
  5. Step 5: Solve for x
    x = 1,849,428,280.44/54,303.90
  6. Step 6: Final answer
    x = 34,057.01

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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.