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Finding the Fourth Proportional to 14,304.72, 19,740.54 and 8,017.08

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Solution

The fourth proportional to 14,304.72, 19,740.54 and 8,017.08 is: 11,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.72 : 19,740.54 = 8,017.08 : x
  2. Step 2: Convert to fraction form
    14,304.72/19,740.54 = 8,017.08/x
  3. Step 3: Cross multiply
    14,304.72x = 19,740.54 × 8,017.08
  4. Step 4: Simplify right side
    14,304.72x = 158,261,488.42
  5. Step 5: Solve for x
    x = 158,261,488.42/14,304.72
  6. Step 6: Final answer
    x = 11,063.59

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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.