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Finding the Fourth Proportional to 14,543.55, 21,808.04 and 6,219.59

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Solution

The fourth proportional to 14,543.55, 21,808.04 and 6,219.59 is: 9,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.55 : 21,808.04 = 6,219.59 : x
  2. Step 2: Convert to fraction form
    14,543.55/21,808.04 = 6,219.59/x
  3. Step 3: Cross multiply
    14,543.55x = 21,808.04 × 6,219.59
  4. Step 4: Simplify right side
    14,543.55x = 135,636,927.37
  5. Step 5: Solve for x
    x = 135,636,927.37/14,543.55
  6. Step 6: Final answer
    x = 9,326.26

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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.