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Finding the Fourth Proportional to 38,595.75, 57,893.63 and 9,411.75

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Solution

The fourth proportional to 38,595.75, 57,893.63 and 9,411.75 is: 14,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595.75 : 57,893.63 = 9,411.75 : x
  2. Step 2: Convert to fraction form
    38,595.75/57,893.63 = 9,411.75/x
  3. Step 3: Cross multiply
    38,595.75x = 57,893.63 × 9,411.75
  4. Step 4: Simplify right side
    38,595.75x = 544,880,325.09
  5. Step 5: Solve for x
    x = 544,880,325.09/38,595.75
  6. Step 6: Final answer
    x = 14,117.63

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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.