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Finding the Fourth Proportional to 58,648.84, 87,972.03 and 14,275.84

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Solution

The fourth proportional to 58,648.84, 87,972.03 and 14,275.84 is: 21,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,648.84 : 87,972.03 = 14,275.84 : x
  2. Step 2: Convert to fraction form
    58,648.84/87,972.03 = 14,275.84/x
  3. Step 3: Cross multiply
    58,648.84x = 87,972.03 × 14,275.84
  4. Step 4: Simplify right side
    58,648.84x = 1,255,874,624.76
  5. Step 5: Solve for x
    x = 1,255,874,624.76/58,648.84
  6. Step 6: Final answer
    x = 21,413.46

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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.