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Finding the Fourth Proportional to 17,002.88, 25,501.44 and 4,688

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Solution

The fourth proportional to 17,002.88, 25,501.44 and 4,688 is: 7,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.88 : 25,501.44 = 4,688 : x
  2. Step 2: Convert to fraction form
    17,002.88/25,501.44 = 4,688/x
  3. Step 3: Cross multiply
    17,002.88x = 25,501.44 × 4,688
  4. Step 4: Simplify right side
    17,002.88x = 119,550,750.72
  5. Step 5: Solve for x
    x = 119,550,750.72/17,002.88
  6. Step 6: Final answer
    x = 7,031.21

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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.