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Finding the Fourth Proportional to 37,643.88, 56,465.82 and 20,060.40

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Solution

The fourth proportional to 37,643.88, 56,465.82 and 20,060.40 is: 30,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.88 : 56,465.82 = 20,060.40 : x
  2. Step 2: Convert to fraction form
    37,643.88/56,465.82 = 20,060.40/x
  3. Step 3: Cross multiply
    37,643.88x = 56,465.82 × 20,060.40
  4. Step 4: Simplify right side
    37,643.88x = 1,132,726,935.53
  5. Step 5: Solve for x
    x = 1,132,726,935.53/37,643.88
  6. Step 6: Final answer
    x = 30,090.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.