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Finding the Fourth Proportional to 63,157.89, 87,158.04 and 34,477.57

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Solution

The fourth proportional to 63,157.89, 87,158.04 and 34,477.57 is: 47,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.89 : 87,158.04 = 34,477.57 : x
  2. Step 2: Convert to fraction form
    63,157.89/87,158.04 = 34,477.57/x
  3. Step 3: Cross multiply
    63,157.89x = 87,158.04 × 34,477.57
  4. Step 4: Simplify right side
    63,157.89x = 3,004,997,099.63
  5. Step 5: Solve for x
    x = 3,004,997,099.63/63,157.89
  6. Step 6: Final answer
    x = 47,579.13

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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.