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Finding the Fourth Proportional to 35,470.76, 48,949.98 and 19,555.78

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Solution

The fourth proportional to 35,470.76, 48,949.98 and 19,555.78 is: 26,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.76 : 48,949.98 = 19,555.78 : x
  2. Step 2: Convert to fraction form
    35,470.76/48,949.98 = 19,555.78/x
  3. Step 3: Cross multiply
    35,470.76x = 48,949.98 × 19,555.78
  4. Step 4: Simplify right side
    35,470.76x = 957,255,039.88
  5. Step 5: Solve for x
    x = 957,255,039.88/35,470.76
  6. Step 6: Final answer
    x = 26,987.16

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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.