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Finding the Fourth Proportional to 9,901.89, 14,852.88 and 2,976.39

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Solution

The fourth proportional to 9,901.89, 14,852.88 and 2,976.39 is: 4,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.89 : 14,852.88 = 2,976.39 : x
  2. Step 2: Convert to fraction form
    9,901.89/14,852.88 = 2,976.39/x
  3. Step 3: Cross multiply
    9,901.89x = 14,852.88 × 2,976.39
  4. Step 4: Simplify right side
    9,901.89x = 44,207,963.50
  5. Step 5: Solve for x
    x = 44,207,963.50/9,901.89
  6. Step 6: Final answer
    x = 4,464.60

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1.5x scale

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.