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Finding the Fourth Proportional to 13,967.76, 20,948.88 and 6,848.94

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Solution

The fourth proportional to 13,967.76, 20,948.88 and 6,848.94 is: 10,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.76 : 20,948.88 = 6,848.94 : x
  2. Step 2: Convert to fraction form
    13,967.76/20,948.88 = 6,848.94/x
  3. Step 3: Cross multiply
    13,967.76x = 20,948.88 × 6,848.94
  4. Step 4: Simplify right side
    13,967.76x = 143,477,622.19
  5. Step 5: Solve for x
    x = 143,477,622.19/13,967.76
  6. Step 6: Final answer
    x = 10,272.06

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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.