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Finding the Fourth Proportional to 38,356.56, 57,492.90 and 18,590.94

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Solution

The fourth proportional to 38,356.56, 57,492.90 and 18,590.94 is: 27,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.56 : 57,492.90 = 18,590.94 : x
  2. Step 2: Convert to fraction form
    38,356.56/57,492.90 = 18,590.94/x
  3. Step 3: Cross multiply
    38,356.56x = 57,492.90 × 18,590.94
  4. Step 4: Simplify right side
    38,356.56x = 1,068,847,054.33
  5. Step 5: Solve for x
    x = 1,068,847,054.33/38,356.56
  6. Step 6: Final answer
    x = 27,866.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.