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Finding the Fourth Proportional to 35,099.92, 48,441.05 and 19,989.28

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Solution

The fourth proportional to 35,099.92, 48,441.05 and 19,989.28 is: 27,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,099.92 : 48,441.05 = 19,989.28 : x
  2. Step 2: Convert to fraction form
    35,099.92/48,441.05 = 19,989.28/x
  3. Step 3: Cross multiply
    35,099.92x = 48,441.05 × 19,989.28
  4. Step 4: Simplify right side
    35,099.92x = 968,301,711.94
  5. Step 5: Solve for x
    x = 968,301,711.94/35,099.92
  6. Step 6: Final answer
    x = 27,587.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.