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Finding the Fourth Proportional to 35,298.66, 48,735 and 21,884.22

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Solution

The fourth proportional to 35,298.66, 48,735 and 21,884.22 is: 30,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,298.66 : 48,735 = 21,884.22 : x
  2. Step 2: Convert to fraction form
    35,298.66/48,735 = 21,884.22/x
  3. Step 3: Cross multiply
    35,298.66x = 48,735 × 21,884.22
  4. Step 4: Simplify right side
    35,298.66x = 1,066,527,461.70
  5. Step 5: Solve for x
    x = 1,066,527,461.70/35,298.66
  6. Step 6: Final answer
    x = 30,214.39

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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.