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Finding the Fourth Proportional to 60,482.99, 90,712.31 and 37,983.62

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Solution

The fourth proportional to 60,482.99, 90,712.31 and 37,983.62 is: 56,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482.99 : 90,712.31 = 37,983.62 : x
  2. Step 2: Convert to fraction form
    60,482.99/90,712.31 = 37,983.62/x
  3. Step 3: Cross multiply
    60,482.99x = 90,712.31 × 37,983.62
  4. Step 4: Simplify right side
    60,482.99x = 3,445,581,949.22
  5. Step 5: Solve for x
    x = 3,445,581,949.22/60,482.99
  6. Step 6: Final answer
    x = 56,967.78

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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.