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Finding the Fourth Proportional to 28,602.68, 42,845.62 and 14,722.52

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Solution

The fourth proportional to 28,602.68, 42,845.62 and 14,722.52 is: 22,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.68 : 42,845.62 = 14,722.52 : x
  2. Step 2: Convert to fraction form
    28,602.68/42,845.62 = 14,722.52/x
  3. Step 3: Cross multiply
    28,602.68x = 42,845.62 × 14,722.52
  4. Step 4: Simplify right side
    28,602.68x = 630,795,497.36
  5. Step 5: Solve for x
    x = 630,795,497.36/28,602.68
  6. Step 6: Final answer
    x = 22,053.72

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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.