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Finding the Fourth Proportional to 58,648.74, 87,972.36 and 14,275.53

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Solution

The fourth proportional to 58,648.74, 87,972.36 and 14,275.53 is: 21,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,648.74 : 87,972.36 = 14,275.53 : x
  2. Step 2: Convert to fraction form
    58,648.74/87,972.36 = 14,275.53/x
  3. Step 3: Cross multiply
    58,648.74x = 87,972.36 × 14,275.53
  4. Step 4: Simplify right side
    58,648.74x = 1,255,852,064.35
  5. Step 5: Solve for x
    x = 1,255,852,064.35/58,648.74
  6. Step 6: Final answer
    x = 21,413.11

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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.