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Finding the Fourth Proportional to 54,347.84, 81,519.84 and 14,904.32

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Solution

The fourth proportional to 54,347.84, 81,519.84 and 14,904.32 is: 22,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.84 : 81,519.84 = 14,904.32 : x
  2. Step 2: Convert to fraction form
    54,347.84/81,519.84 = 14,904.32/x
  3. Step 3: Cross multiply
    54,347.84x = 81,519.84 × 14,904.32
  4. Step 4: Simplify right side
    54,347.84x = 1,214,997,781.71
  5. Step 5: Solve for x
    x = 1,214,997,781.71/54,347.84
  6. Step 6: Final answer
    x = 22,355.95

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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.