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Finding the Fourth Proportional to 40,297.64, 60,384.88 and 16,911.32

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Solution

The fourth proportional to 40,297.64, 60,384.88 and 16,911.32 is: 25,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297.64 : 60,384.88 = 16,911.32 : x
  2. Step 2: Convert to fraction form
    40,297.64/60,384.88 = 16,911.32/x
  3. Step 3: Cross multiply
    40,297.64x = 60,384.88 × 16,911.32
  4. Step 4: Simplify right side
    40,297.64x = 1,021,188,028.84
  5. Step 5: Solve for x
    x = 1,021,188,028.84/40,297.64
  6. Step 6: Final answer
    x = 25,341.14

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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.