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Finding the Fourth Proportional to 48,480, 72,702.00 and 16,881.95

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Solution

The fourth proportional to 48,480, 72,702.00 and 16,881.95 is: 25,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480 : 72,702.00 = 16,881.95 : x
  2. Step 2: Convert to fraction form
    48,480/72,702.00 = 16,881.95/x
  3. Step 3: Cross multiply
    48,480x = 72,702.00 × 16,881.95
  4. Step 4: Simplify right side
    48,480x = 1,227,351,486.70
  5. Step 5: Solve for x
    x = 1,227,351,486.70/48,480
  6. Step 6: Final answer
    x = 25,316.66

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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.