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Finding the Fourth Proportional to 14,291.22, 21,442.95 and 7,370.58

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Solution

The fourth proportional to 14,291.22, 21,442.95 and 7,370.58 is: 11,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.22 : 21,442.95 = 7,370.58 : x
  2. Step 2: Convert to fraction form
    14,291.22/21,442.95 = 7,370.58/x
  3. Step 3: Cross multiply
    14,291.22x = 21,442.95 × 7,370.58
  4. Step 4: Simplify right side
    14,291.22x = 158,046,978.41
  5. Step 5: Solve for x
    x = 158,046,978.41/14,291.22
  6. Step 6: Final answer
    x = 11,059.03

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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.