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Finding the Fourth Proportional to 58,904.40, 88,399.80 and 39,176.40

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Solution

The fourth proportional to 58,904.40, 88,399.80 and 39,176.40 is: 58,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,904.40 : 88,399.80 = 39,176.40 : x
  2. Step 2: Convert to fraction form
    58,904.40/88,399.80 = 39,176.40/x
  3. Step 3: Cross multiply
    58,904.40x = 88,399.80 × 39,176.40
  4. Step 4: Simplify right side
    58,904.40x = 3,463,185,924.72
  5. Step 5: Solve for x
    x = 3,463,185,924.72/58,904.40
  6. Step 6: Final answer
    x = 58,793.33

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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.