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Finding the Fourth Proportional to 17,038.45, 25,566.05 and 7,684.93

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Solution

The fourth proportional to 17,038.45, 25,566.05 and 7,684.93 is: 11,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.45 : 25,566.05 = 7,684.93 : x
  2. Step 2: Convert to fraction form
    17,038.45/25,566.05 = 7,684.93/x
  3. Step 3: Cross multiply
    17,038.45x = 25,566.05 × 7,684.93
  4. Step 4: Simplify right side
    17,038.45x = 196,473,304.63
  5. Step 5: Solve for x
    x = 196,473,304.63/17,038.45
  6. Step 6: Final answer
    x = 11,531.17

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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.