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Finding the Fourth Proportional to 35,690.76, 49,260.12 and 20,593.14

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Solution

The fourth proportional to 35,690.76, 49,260.12 and 20,593.14 is: 28,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.76 : 49,260.12 = 20,593.14 : x
  2. Step 2: Convert to fraction form
    35,690.76/49,260.12 = 20,593.14/x
  3. Step 3: Cross multiply
    35,690.76x = 49,260.12 × 20,593.14
  4. Step 4: Simplify right side
    35,690.76x = 1,014,420,547.58
  5. Step 5: Solve for x
    x = 1,014,420,547.58/35,690.76
  6. Step 6: Final answer
    x = 28,422.50

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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.