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Finding the Fourth Proportional to 17,590.32, 26,385.26 and 7,065

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Solution

The fourth proportional to 17,590.32, 26,385.26 and 7,065 is: 10,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,590.32 : 26,385.26 = 7,065 : x
  2. Step 2: Convert to fraction form
    17,590.32/26,385.26 = 7,065/x
  3. Step 3: Cross multiply
    17,590.32x = 26,385.26 × 7,065
  4. Step 4: Simplify right side
    17,590.32x = 186,411,861.90
  5. Step 5: Solve for x
    x = 186,411,861.90/17,590.32
  6. Step 6: Final answer
    x = 10,597.41

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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.