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Finding the Fourth Proportional to 35,480.90, 48,961.40 and 19,565.48

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Solution

The fourth proportional to 35,480.90, 48,961.40 and 19,565.48 is: 26,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.90 : 48,961.40 = 19,565.48 : x
  2. Step 2: Convert to fraction form
    35,480.90/48,961.40 = 19,565.48/x
  3. Step 3: Cross multiply
    35,480.90x = 48,961.40 × 19,565.48
  4. Step 4: Simplify right side
    35,480.90x = 957,953,292.47
  5. Step 5: Solve for x
    x = 957,953,292.47/35,480.90
  6. Step 6: Final answer
    x = 26,999.13

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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.