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Finding the Fourth Proportional to 14,343.50, 19,795.04 and 8,055.88

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Solution

The fourth proportional to 14,343.50, 19,795.04 and 8,055.88 is: 11,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.50 : 19,795.04 = 8,055.88 : x
  2. Step 2: Convert to fraction form
    14,343.50/19,795.04 = 8,055.88/x
  3. Step 3: Cross multiply
    14,343.50x = 19,795.04 × 8,055.88
  4. Step 4: Simplify right side
    14,343.50x = 159,466,466.84
  5. Step 5: Solve for x
    x = 159,466,466.84/14,343.50
  6. Step 6: Final answer
    x = 11,117.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.