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Finding the Fourth Proportional to 37,655.40, 56,483.10 and 29,821.80

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Solution

The fourth proportional to 37,655.40, 56,483.10 and 29,821.80 is: 44,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.40 : 56,483.10 = 29,821.80 : x
  2. Step 2: Convert to fraction form
    37,655.40/56,483.10 = 29,821.80/x
  3. Step 3: Cross multiply
    37,655.40x = 56,483.10 × 29,821.80
  4. Step 4: Simplify right side
    37,655.40x = 1,684,427,711.58
  5. Step 5: Solve for x
    x = 1,684,427,711.58/37,655.40
  6. Step 6: Final answer
    x = 44,732.70

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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.