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Finding the Fourth Proportional to 54,397.68, 81,603.80 and 22,802.80

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Solution

The fourth proportional to 54,397.68, 81,603.80 and 22,802.80 is: 34,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.68 : 81,603.80 = 22,802.80 : x
  2. Step 2: Convert to fraction form
    54,397.68/81,603.80 = 22,802.80/x
  3. Step 3: Cross multiply
    54,397.68x = 81,603.80 × 22,802.80
  4. Step 4: Simplify right side
    54,397.68x = 1,860,795,130.64
  5. Step 5: Solve for x
    x = 1,860,795,130.64/54,397.68
  6. Step 6: Final answer
    x = 34,207.25

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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.