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Finding the Fourth Proportional to 35,502.76, 48,994.06 and 19,587.78

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Solution

The fourth proportional to 35,502.76, 48,994.06 and 19,587.78 is: 27,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,502.76 : 48,994.06 = 19,587.78 : x
  2. Step 2: Convert to fraction form
    35,502.76/48,994.06 = 19,587.78/x
  3. Step 3: Cross multiply
    35,502.76x = 48,994.06 × 19,587.78
  4. Step 4: Simplify right side
    35,502.76x = 959,684,672.59
  5. Step 5: Solve for x
    x = 959,684,672.59/35,502.76
  6. Step 6: Final answer
    x = 27,031.27

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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.