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Finding the Fourth Proportional to 58,886.08, 81,248.92 and 39,801.44

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Solution

The fourth proportional to 58,886.08, 81,248.92 and 39,801.44 is: 54,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,886.08 : 81,248.92 = 39,801.44 : x
  2. Step 2: Convert to fraction form
    58,886.08/81,248.92 = 39,801.44/x
  3. Step 3: Cross multiply
    58,886.08x = 81,248.92 × 39,801.44
  4. Step 4: Simplify right side
    58,886.08x = 3,233,824,014.44
  5. Step 5: Solve for x
    x = 3,233,824,014.44/58,886.08
  6. Step 6: Final answer
    x = 54,916.61

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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.