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Finding the Fourth Proportional to 54,312.84, 81,459.84 and 14,860.58

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Solution

The fourth proportional to 54,312.84, 81,459.84 and 14,860.58 is: 22,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.84 : 81,459.84 = 14,860.58 : x
  2. Step 2: Convert to fraction form
    54,312.84/81,459.84 = 14,860.58/x
  3. Step 3: Cross multiply
    54,312.84x = 81,459.84 × 14,860.58
  4. Step 4: Simplify right side
    54,312.84x = 1,210,540,117.54
  5. Step 5: Solve for x
    x = 1,210,540,117.54/54,312.84
  6. Step 6: Final answer
    x = 22,288.29

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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.