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Finding the Fourth Proportional to 14,382.56, 21,573.84 and 4,522.70

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Solution

The fourth proportional to 14,382.56, 21,573.84 and 4,522.70 is: 6,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.56 : 21,573.84 = 4,522.70 : x
  2. Step 2: Convert to fraction form
    14,382.56/21,573.84 = 4,522.70/x
  3. Step 3: Cross multiply
    14,382.56x = 21,573.84 × 4,522.70
  4. Step 4: Simplify right side
    14,382.56x = 97,572,006.17
  5. Step 5: Solve for x
    x = 97,572,006.17/14,382.56
  6. Step 6: Final answer
    x = 6,784.05

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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.