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Finding the Fourth Proportional to 14,573.56, 21,860.34 and 5,810.44

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Solution

The fourth proportional to 14,573.56, 21,860.34 and 5,810.44 is: 8,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.56 : 21,860.34 = 5,810.44 : x
  2. Step 2: Convert to fraction form
    14,573.56/21,860.34 = 5,810.44/x
  3. Step 3: Cross multiply
    14,573.56x = 21,860.34 × 5,810.44
  4. Step 4: Simplify right side
    14,573.56x = 127,018,193.95
  5. Step 5: Solve for x
    x = 127,018,193.95/14,573.56
  6. Step 6: Final answer
    x = 8,715.66

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Double scale
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Similar ratio
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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.