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Finding the Fourth Proportional to 10,295.60, 15,436.20 and 4,053.20

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Solution

The fourth proportional to 10,295.60, 15,436.20 and 4,053.20 is: 6,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.60 : 15,436.20 = 4,053.20 : x
  2. Step 2: Convert to fraction form
    10,295.60/15,436.20 = 4,053.20/x
  3. Step 3: Cross multiply
    10,295.60x = 15,436.20 × 4,053.20
  4. Step 4: Simplify right side
    10,295.60x = 62,566,005.84
  5. Step 5: Solve for x
    x = 62,566,005.84/10,295.60
  6. Step 6: Final answer
    x = 6,076.97

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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.