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Finding the Fourth Proportional to 14,454.32, 21,683.08 and 5,688.08

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Solution

The fourth proportional to 14,454.32, 21,683.08 and 5,688.08 is: 8,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.32 : 21,683.08 = 5,688.08 : x
  2. Step 2: Convert to fraction form
    14,454.32/21,683.08 = 5,688.08/x
  3. Step 3: Cross multiply
    14,454.32x = 21,683.08 × 5,688.08
  4. Step 4: Simplify right side
    14,454.32x = 123,335,093.69
  5. Step 5: Solve for x
    x = 123,335,093.69/14,454.32
  6. Step 6: Final answer
    x = 8,532.75

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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.