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Finding the Fourth Proportional to 28,295.69, 42,410.72 and 26,655.44

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Solution

The fourth proportional to 28,295.69, 42,410.72 and 26,655.44 is: 39,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.69 : 42,410.72 = 26,655.44 : x
  2. Step 2: Convert to fraction form
    28,295.69/42,410.72 = 26,655.44/x
  3. Step 3: Cross multiply
    28,295.69x = 42,410.72 × 26,655.44
  4. Step 4: Simplify right side
    28,295.69x = 1,130,476,181.93
  5. Step 5: Solve for x
    x = 1,130,476,181.93/28,295.69
  6. Step 6: Final answer
    x = 39,952.25

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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.