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Finding the Fourth Proportional to 28,858.68, 39,736.14 and 24,600.18

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Solution

The fourth proportional to 28,858.68, 39,736.14 and 24,600.18 is: 33,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.68 : 39,736.14 = 24,600.18 : x
  2. Step 2: Convert to fraction form
    28,858.68/39,736.14 = 24,600.18/x
  3. Step 3: Cross multiply
    28,858.68x = 39,736.14 × 24,600.18
  4. Step 4: Simplify right side
    28,858.68x = 977,516,196.51
  5. Step 5: Solve for x
    x = 977,516,196.51/28,858.68
  6. Step 6: Final answer
    x = 33,872.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.