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Finding the Fourth Proportional to 58,070, 87,106.08 and 16,518.08

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Solution

The fourth proportional to 58,070, 87,106.08 and 16,518.08 is: 24,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070 : 87,106.08 = 16,518.08 : x
  2. Step 2: Convert to fraction form
    58,070/87,106.08 = 16,518.08/x
  3. Step 3: Cross multiply
    58,070x = 87,106.08 × 16,518.08
  4. Step 4: Simplify right side
    58,070x = 1,438,825,197.93
  5. Step 5: Solve for x
    x = 1,438,825,197.93/58,070
  6. Step 6: Final answer
    x = 24,777.43

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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.