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Finding the Fourth Proportional to 14,543.15, 21,784.08 and 6,652.31

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Solution

The fourth proportional to 14,543.15, 21,784.08 and 6,652.31 is: 9,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.15 : 21,784.08 = 6,652.31 : x
  2. Step 2: Convert to fraction form
    14,543.15/21,784.08 = 6,652.31/x
  3. Step 3: Cross multiply
    14,543.15x = 21,784.08 × 6,652.31
  4. Step 4: Simplify right side
    14,543.15x = 144,914,453.22
  5. Step 5: Solve for x
    x = 144,914,453.22/14,543.15
  6. Step 6: Final answer
    x = 9,964.45

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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.