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Finding the Fourth Proportional to 45,907.84, 68,864.88 and 14,741.20

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Solution

The fourth proportional to 45,907.84, 68,864.88 and 14,741.20 is: 22,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,907.84 : 68,864.88 = 14,741.20 : x
  2. Step 2: Convert to fraction form
    45,907.84/68,864.88 = 14,741.20/x
  3. Step 3: Cross multiply
    45,907.84x = 68,864.88 × 14,741.20
  4. Step 4: Simplify right side
    45,907.84x = 1,015,150,969.06
  5. Step 5: Solve for x
    x = 1,015,150,969.06/45,907.84
  6. Step 6: Final answer
    x = 22,112.80

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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.