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Finding the Fourth Proportional to 55,019.84, 82,530.08 and 13,466.88

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Solution

The fourth proportional to 55,019.84, 82,530.08 and 13,466.88 is: 20,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.84 : 82,530.08 = 13,466.88 : x
  2. Step 2: Convert to fraction form
    55,019.84/82,530.08 = 13,466.88/x
  3. Step 3: Cross multiply
    55,019.84x = 82,530.08 × 13,466.88
  4. Step 4: Simplify right side
    55,019.84x = 1,111,422,683.75
  5. Step 5: Solve for x
    x = 1,111,422,683.75/55,019.84
  6. Step 6: Final answer
    x = 20,200.40

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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.