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Finding the Fourth Proportional to 40,465.45, 60,698.74 and 15,506.76

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Solution

The fourth proportional to 40,465.45, 60,698.74 and 15,506.76 is: 23,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.45 : 60,698.74 = 15,506.76 : x
  2. Step 2: Convert to fraction form
    40,465.45/60,698.74 = 15,506.76/x
  3. Step 3: Cross multiply
    40,465.45x = 60,698.74 × 15,506.76
  4. Step 4: Simplify right side
    40,465.45x = 941,240,793.48
  5. Step 5: Solve for x
    x = 941,240,793.48/40,465.45
  6. Step 6: Final answer
    x = 23,260.36

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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.