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Finding the Fourth Proportional to 60,495.88, 83,475.12 and 34,650.40

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Solution

The fourth proportional to 60,495.88, 83,475.12 and 34,650.40 is: 47,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.88 : 83,475.12 = 34,650.40 : x
  2. Step 2: Convert to fraction form
    60,495.88/83,475.12 = 34,650.40/x
  3. Step 3: Cross multiply
    60,495.88x = 83,475.12 × 34,650.40
  4. Step 4: Simplify right side
    60,495.88x = 2,892,446,298.05
  5. Step 5: Solve for x
    x = 2,892,446,298.05/60,495.88
  6. Step 6: Final answer
    x = 47,812.29

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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.