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Finding the Fourth Proportional to 57,160.64, 78,866.24 and 32,960.96

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Solution

The fourth proportional to 57,160.64, 78,866.24 and 32,960.96 is: 45,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,160.64 : 78,866.24 = 32,960.96 : x
  2. Step 2: Convert to fraction form
    57,160.64/78,866.24 = 32,960.96/x
  3. Step 3: Cross multiply
    57,160.64x = 78,866.24 × 32,960.96
  4. Step 4: Simplify right side
    57,160.64x = 2,599,506,981.99
  5. Step 5: Solve for x
    x = 2,599,506,981.99/57,160.64
  6. Step 6: Final answer
    x = 45,477.22

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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.