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Finding the Fourth Proportional to 16,708.60, 25,060.72 and 6,319

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Solution

The fourth proportional to 16,708.60, 25,060.72 and 6,319 is: 9,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,708.60 : 25,060.72 = 6,319 : x
  2. Step 2: Convert to fraction form
    16,708.60/25,060.72 = 6,319/x
  3. Step 3: Cross multiply
    16,708.60x = 25,060.72 × 6,319
  4. Step 4: Simplify right side
    16,708.60x = 158,358,689.68
  5. Step 5: Solve for x
    x = 158,358,689.68/16,708.60
  6. Step 6: Final answer
    x = 9,477.68

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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.