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Finding the Fourth Proportional to 45,483.80, 68,222.50 and 17,015.32

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Solution

The fourth proportional to 45,483.80, 68,222.50 and 17,015.32 is: 25,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,483.80 : 68,222.50 = 17,015.32 : x
  2. Step 2: Convert to fraction form
    45,483.80/68,222.50 = 17,015.32/x
  3. Step 3: Cross multiply
    45,483.80x = 68,222.50 × 17,015.32
  4. Step 4: Simplify right side
    45,483.80x = 1,160,827,583.52
  5. Step 5: Solve for x
    x = 1,160,827,583.52/45,483.80
  6. Step 6: Final answer
    x = 25,521.78

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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.