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Finding the Fourth Proportional to 40,482.84, 60,729.92 and 10,901.64

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Solution

The fourth proportional to 40,482.84, 60,729.92 and 10,901.64 is: 16,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.84 : 60,729.92 = 10,901.64 : x
  2. Step 2: Convert to fraction form
    40,482.84/60,729.92 = 10,901.64/x
  3. Step 3: Cross multiply
    40,482.84x = 60,729.92 × 10,901.64
  4. Step 4: Simplify right side
    40,482.84x = 662,055,725.07
  5. Step 5: Solve for x
    x = 662,055,725.07/40,482.84
  6. Step 6: Final answer
    x = 16,353.98

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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.