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Finding the Fourth Proportional to 35,402.30, 48,855.92 and 19,486.81

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Solution

The fourth proportional to 35,402.30, 48,855.92 and 19,486.81 is: 26,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.30 : 48,855.92 = 19,486.81 : x
  2. Step 2: Convert to fraction form
    35,402.30/48,855.92 = 19,486.81/x
  3. Step 3: Cross multiply
    35,402.30x = 48,855.92 × 19,486.81
  4. Step 4: Simplify right side
    35,402.30x = 952,046,030.42
  5. Step 5: Solve for x
    x = 952,046,030.42/35,402.30
  6. Step 6: Final answer
    x = 26,892.21

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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.