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Finding the Fourth Proportional to 58,884.72, 88,308.36 and 19,434.48

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Solution

The fourth proportional to 58,884.72, 88,308.36 and 19,434.48 is: 29,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,884.72 : 88,308.36 = 19,434.48 : x
  2. Step 2: Convert to fraction form
    58,884.72/88,308.36 = 19,434.48/x
  3. Step 3: Cross multiply
    58,884.72x = 88,308.36 × 19,434.48
  4. Step 4: Simplify right side
    58,884.72x = 1,716,227,056.25
  5. Step 5: Solve for x
    x = 1,716,227,056.25/58,884.72
  6. Step 6: Final answer
    x = 29,145.54

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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.