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Finding the Fourth Proportional to 35,480.70, 48,963.69 and 19,564.74

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Solution

The fourth proportional to 35,480.70, 48,963.69 and 19,564.74 is: 26,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.70 : 48,963.69 = 19,564.74 : x
  2. Step 2: Convert to fraction form
    35,480.70/48,963.69 = 19,564.74/x
  3. Step 3: Cross multiply
    35,480.70x = 48,963.69 × 19,564.74
  4. Step 4: Simplify right side
    35,480.70x = 957,961,864.29
  5. Step 5: Solve for x
    x = 957,961,864.29/35,480.70
  6. Step 6: Final answer
    x = 26,999.52

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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.