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Finding the Fourth Proportional to 35,342.86, 48,772.86 and 19,427.14

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Solution

The fourth proportional to 35,342.86, 48,772.86 and 19,427.14 is: 26,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.86 : 48,772.86 = 19,427.14 : x
  2. Step 2: Convert to fraction form
    35,342.86/48,772.86 = 19,427.14/x
  3. Step 3: Cross multiply
    35,342.86x = 48,772.86 × 19,427.14
  4. Step 4: Simplify right side
    35,342.86x = 947,517,179.42
  5. Step 5: Solve for x
    x = 947,517,179.42/35,342.86
  6. Step 6: Final answer
    x = 26,809.30

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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.