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Finding the Fourth Proportional to 28,467.59, 42,705.02 and 10,935.14

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Solution

The fourth proportional to 28,467.59, 42,705.02 and 10,935.14 is: 16,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.59 : 42,705.02 = 10,935.14 : x
  2. Step 2: Convert to fraction form
    28,467.59/42,705.02 = 10,935.14/x
  3. Step 3: Cross multiply
    28,467.59x = 42,705.02 × 10,935.14
  4. Step 4: Simplify right side
    28,467.59x = 466,985,186.22
  5. Step 5: Solve for x
    x = 466,985,186.22/28,467.59
  6. Step 6: Final answer
    x = 16,404.10

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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.