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Finding the Fourth Proportional to 28,993.77, 43,420.86 and 16,483.19

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Solution

The fourth proportional to 28,993.77, 43,420.86 and 16,483.19 is: 24,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.77 : 43,420.86 = 16,483.19 : x
  2. Step 2: Convert to fraction form
    28,993.77/43,420.86 = 16,483.19/x
  3. Step 3: Cross multiply
    28,993.77x = 43,420.86 × 16,483.19
  4. Step 4: Simplify right side
    28,993.77x = 715,714,068.24
  5. Step 5: Solve for x
    x = 715,714,068.24/28,993.77
  6. Step 6: Final answer
    x = 24,685.10

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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.