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Finding the Fourth Proportional to 58,648.79, 87,973.34 and 14,275.47

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Solution

The fourth proportional to 58,648.79, 87,973.34 and 14,275.47 is: 21,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,648.79 : 87,973.34 = 14,275.47 : x
  2. Step 2: Convert to fraction form
    58,648.79/87,973.34 = 14,275.47/x
  3. Step 3: Cross multiply
    58,648.79x = 87,973.34 × 14,275.47
  4. Step 4: Simplify right side
    58,648.79x = 1,255,860,704.59
  5. Step 5: Solve for x
    x = 1,255,860,704.59/58,648.79
  6. Step 6: Final answer
    x = 21,413.24

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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.