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Finding the Fourth Proportional to 35,424.50, 48,885.71 and 19,508.84

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Solution

The fourth proportional to 35,424.50, 48,885.71 and 19,508.84 is: 26,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.50 : 48,885.71 = 19,508.84 : x
  2. Step 2: Convert to fraction form
    35,424.50/48,885.71 = 19,508.84/x
  3. Step 3: Cross multiply
    35,424.50x = 48,885.71 × 19,508.84
  4. Step 4: Simplify right side
    35,424.50x = 953,703,152.70
  5. Step 5: Solve for x
    x = 953,703,152.70/35,424.50
  6. Step 6: Final answer
    x = 26,922.14

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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.