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Finding the Fourth Proportional to 28,858.48, 43,287.48 and 16,384.24

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Solution

The fourth proportional to 28,858.48, 43,287.48 and 16,384.24 is: 24,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.48 : 43,287.48 = 16,384.24 : x
  2. Step 2: Convert to fraction form
    28,858.48/43,287.48 = 16,384.24/x
  3. Step 3: Cross multiply
    28,858.48x = 43,287.48 × 16,384.24
  4. Step 4: Simplify right side
    28,858.48x = 709,232,461.32
  5. Step 5: Solve for x
    x = 709,232,461.32/28,858.48
  6. Step 6: Final answer
    x = 24,576.22

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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.