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Finding the Fourth Proportional to 35,347.84, 48,780.35 and 19,432.41

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Solution

The fourth proportional to 35,347.84, 48,780.35 and 19,432.41 is: 26,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.84 : 48,780.35 = 19,432.41 : x
  2. Step 2: Convert to fraction form
    35,347.84/48,780.35 = 19,432.41/x
  3. Step 3: Cross multiply
    35,347.84x = 48,780.35 × 19,432.41
  4. Step 4: Simplify right side
    35,347.84x = 947,919,608.58
  5. Step 5: Solve for x
    x = 947,919,608.58/35,347.84
  6. Step 6: Final answer
    x = 26,816.90

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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.