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Finding the Fourth Proportional to 28,322.64, 42,483.96 and 9,602.73

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Solution

The fourth proportional to 28,322.64, 42,483.96 and 9,602.73 is: 14,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.64 : 42,483.96 = 9,602.73 : x
  2. Step 2: Convert to fraction form
    28,322.64/42,483.96 = 9,602.73/x
  3. Step 3: Cross multiply
    28,322.64x = 42,483.96 × 9,602.73
  4. Step 4: Simplify right side
    28,322.64x = 407,961,997.21
  5. Step 5: Solve for x
    x = 407,961,997.21/28,322.64
  6. Step 6: Final answer
    x = 14,404.10

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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.