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Finding the Fourth Proportional to 57,193.57, 78,929.15 and 34,528.14

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Solution

The fourth proportional to 57,193.57, 78,929.15 and 34,528.14 is: 47,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.57 : 78,929.15 = 34,528.14 : x
  2. Step 2: Convert to fraction form
    57,193.57/78,929.15 = 34,528.14/x
  3. Step 3: Cross multiply
    57,193.57x = 78,929.15 × 34,528.14
  4. Step 4: Simplify right side
    57,193.57x = 2,725,276,346.64
  5. Step 5: Solve for x
    x = 2,725,276,346.64/57,193.57
  6. Step 6: Final answer
    x = 47,650.05

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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.