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Finding the Fourth Proportional to 28,053.84, 42,080.72 and 16,358.86

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Solution

The fourth proportional to 28,053.84, 42,080.72 and 16,358.86 is: 24,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.84 : 42,080.72 = 16,358.86 : x
  2. Step 2: Convert to fraction form
    28,053.84/42,080.72 = 16,358.86/x
  3. Step 3: Cross multiply
    28,053.84x = 42,080.72 × 16,358.86
  4. Step 4: Simplify right side
    28,053.84x = 688,392,577.99
  5. Step 5: Solve for x
    x = 688,392,577.99/28,053.84
  6. Step 6: Final answer
    x = 24,538.26

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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.