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Finding the Fourth Proportional to 28,952.52, 43,435.16 and 16,478.42

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Solution

The fourth proportional to 28,952.52, 43,435.16 and 16,478.42 is: 24,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.52 : 43,435.16 = 16,478.42 : x
  2. Step 2: Convert to fraction form
    28,952.52/43,435.16 = 16,478.42/x
  3. Step 3: Cross multiply
    28,952.52x = 43,435.16 × 16,478.42
  4. Step 4: Simplify right side
    28,952.52x = 715,742,509.68
  5. Step 5: Solve for x
    x = 715,742,509.68/28,952.52
  6. Step 6: Final answer
    x = 24,721.25

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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.