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Finding the Fourth Proportional to 58,647.84, 87,970.53 and 14,274.84

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Solution

The fourth proportional to 58,647.84, 87,970.53 and 14,274.84 is: 21,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.84 : 87,970.53 = 14,274.84 : x
  2. Step 2: Convert to fraction form
    58,647.84/87,970.53 = 14,274.84/x
  3. Step 3: Cross multiply
    58,647.84x = 87,970.53 × 14,274.84
  4. Step 4: Simplify right side
    58,647.84x = 1,255,765,240.47
  5. Step 5: Solve for x
    x = 1,255,765,240.47/58,647.84
  6. Step 6: Final answer
    x = 21,411.96

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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.