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Finding the Fourth Proportional to 48,643.52, 67,123.14 and 35,903.66

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Solution

The fourth proportional to 48,643.52, 67,123.14 and 35,903.66 is: 49,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.52 : 67,123.14 = 35,903.66 : x
  2. Step 2: Convert to fraction form
    48,643.52/67,123.14 = 35,903.66/x
  3. Step 3: Cross multiply
    48,643.52x = 67,123.14 × 35,903.66
  4. Step 4: Simplify right side
    48,643.52x = 2,409,966,396.69
  5. Step 5: Solve for x
    x = 2,409,966,396.69/48,643.52
  6. Step 6: Final answer
    x = 49,543.42

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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.