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Finding the Fourth Proportional to 39,492.58, 54,490.98 and 22,725.58

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Solution

The fourth proportional to 39,492.58, 54,490.98 and 22,725.58 is: 31,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.58 : 54,490.98 = 22,725.58 : x
  2. Step 2: Convert to fraction form
    39,492.58/54,490.98 = 22,725.58/x
  3. Step 3: Cross multiply
    39,492.58x = 54,490.98 × 22,725.58
  4. Step 4: Simplify right side
    39,492.58x = 1,238,339,125.27
  5. Step 5: Solve for x
    x = 1,238,339,125.27/39,492.58
  6. Step 6: Final answer
    x = 31,356.25

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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.