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Finding the Fourth Proportional to 35,008.60, 48,310.10 and 19,899.28

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Solution

The fourth proportional to 35,008.60, 48,310.10 and 19,899.28 is: 27,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,008.60 : 48,310.10 = 19,899.28 : x
  2. Step 2: Convert to fraction form
    35,008.60/48,310.10 = 19,899.28/x
  3. Step 3: Cross multiply
    35,008.60x = 48,310.10 × 19,899.28
  4. Step 4: Simplify right side
    35,008.60x = 961,336,206.73
  5. Step 5: Solve for x
    x = 961,336,206.73/35,008.60
  6. Step 6: Final answer
    x = 27,460.00

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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.