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Finding the Fourth Proportional to 10,460.88, 15,678.72 and 4,610.88

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Solution

The fourth proportional to 10,460.88, 15,678.72 and 4,610.88 is: 6,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.88 : 15,678.72 = 4,610.88 : x
  2. Step 2: Convert to fraction form
    10,460.88/15,678.72 = 4,610.88/x
  3. Step 3: Cross multiply
    10,460.88x = 15,678.72 × 4,610.88
  4. Step 4: Simplify right side
    10,460.88x = 72,292,696.47
  5. Step 5: Solve for x
    x = 72,292,696.47/10,460.88
  6. Step 6: Final answer
    x = 6,910.77

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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.