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Finding the Fourth Proportional to 46,507.62, 69,720.39 and 16,920.29

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Solution

The fourth proportional to 46,507.62, 69,720.39 and 16,920.29 is: 25,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,507.62 : 69,720.39 = 16,920.29 : x
  2. Step 2: Convert to fraction form
    46,507.62/69,720.39 = 16,920.29/x
  3. Step 3: Cross multiply
    46,507.62x = 69,720.39 × 16,920.29
  4. Step 4: Simplify right side
    46,507.62x = 1,179,688,869.11
  5. Step 5: Solve for x
    x = 1,179,688,869.11/46,507.62
  6. Step 6: Final answer
    x = 25,365.50

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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.