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Finding the Fourth Proportional to 40,648.28, 60,927.93 and 20,927.93

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Solution

The fourth proportional to 40,648.28, 60,927.93 and 20,927.93 is: 31,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,648.28 : 60,927.93 = 20,927.93 : x
  2. Step 2: Convert to fraction form
    40,648.28/60,927.93 = 20,927.93/x
  3. Step 3: Cross multiply
    40,648.28x = 60,927.93 × 20,927.93
  4. Step 4: Simplify right side
    40,648.28x = 1,275,095,149.45
  5. Step 5: Solve for x
    x = 1,275,095,149.45/40,648.28
  6. Step 6: Final answer
    x = 31,368.99

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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.