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Finding the Fourth Proportional to 34,362.32, 47,413 and 19,455.44

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Solution

The fourth proportional to 34,362.32, 47,413 and 19,455.44 is: 26,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,362.32 : 47,413 = 19,455.44 : x
  2. Step 2: Convert to fraction form
    34,362.32/47,413 = 19,455.44/x
  3. Step 3: Cross multiply
    34,362.32x = 47,413 × 19,455.44
  4. Step 4: Simplify right side
    34,362.32x = 922,440,776.72
  5. Step 5: Solve for x
    x = 922,440,776.72/34,362.32
  6. Step 6: Final answer
    x = 26,844.54

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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.