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Finding the Fourth Proportional to 58,859.61, 88,344.90 and 21,455.84

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Solution

The fourth proportional to 58,859.61, 88,344.90 and 21,455.84 is: 32,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,859.61 : 88,344.90 = 21,455.84 : x
  2. Step 2: Convert to fraction form
    58,859.61/88,344.90 = 21,455.84/x
  3. Step 3: Cross multiply
    58,859.61x = 88,344.90 × 21,455.84
  4. Step 4: Simplify right side
    58,859.61x = 1,895,513,597.49
  5. Step 5: Solve for x
    x = 1,895,513,597.49/58,859.61
  6. Step 6: Final answer
    x = 32,203.98

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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.