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Finding the Fourth Proportional to 54,899.36, 82,349.04 and 13,346.08

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Solution

The fourth proportional to 54,899.36, 82,349.04 and 13,346.08 is: 20,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,899.36 : 82,349.04 = 13,346.08 : x
  2. Step 2: Convert to fraction form
    54,899.36/82,349.04 = 13,346.08/x
  3. Step 3: Cross multiply
    54,899.36x = 82,349.04 × 13,346.08
  4. Step 4: Simplify right side
    54,899.36x = 1,099,036,875.76
  5. Step 5: Solve for x
    x = 1,099,036,875.76/54,899.36
  6. Step 6: Final answer
    x = 20,019.12

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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.