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Finding the Fourth Proportional to 60,644.90, 83,690.21 and 35,156.23

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Solution

The fourth proportional to 60,644.90, 83,690.21 and 35,156.23 is: 48,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,644.90 : 83,690.21 = 35,156.23 : x
  2. Step 2: Convert to fraction form
    60,644.90/83,690.21 = 35,156.23/x
  3. Step 3: Cross multiply
    60,644.90x = 83,690.21 × 35,156.23
  4. Step 4: Simplify right side
    60,644.90x = 2,942,232,150.17
  5. Step 5: Solve for x
    x = 2,942,232,150.17/60,644.90
  6. Step 6: Final answer
    x = 48,515.74

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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.