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Finding the Fourth Proportional to 34,630.04, 51,964.50 and 13,855.16

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Solution

The fourth proportional to 34,630.04, 51,964.50 and 13,855.16 is: 20,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.04 : 51,964.50 = 13,855.16 : x
  2. Step 2: Convert to fraction form
    34,630.04/51,964.50 = 13,855.16/x
  3. Step 3: Cross multiply
    34,630.04x = 51,964.50 × 13,855.16
  4. Step 4: Simplify right side
    34,630.04x = 719,976,461.82
  5. Step 5: Solve for x
    x = 719,976,461.82/34,630.04
  6. Step 6: Final answer
    x = 20,790.52

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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.