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Finding the Fourth Proportional to 14,710.42, 20,300.18 and 7,995.89

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Solution

The fourth proportional to 14,710.42, 20,300.18 and 7,995.89 is: 11,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.42 : 20,300.18 = 7,995.89 : x
  2. Step 2: Convert to fraction form
    14,710.42/20,300.18 = 7,995.89/x
  3. Step 3: Cross multiply
    14,710.42x = 20,300.18 × 7,995.89
  4. Step 4: Simplify right side
    14,710.42x = 162,318,006.26
  5. Step 5: Solve for x
    x = 162,318,006.26/14,710.42
  6. Step 6: Final answer
    x = 11,034.22

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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.