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Finding the Fourth Proportional to 10,750.66, 14,836.78 and 5,970.90

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Solution

The fourth proportional to 10,750.66, 14,836.78 and 5,970.90 is: 8,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.66 : 14,836.78 = 5,970.90 : x
  2. Step 2: Convert to fraction form
    10,750.66/14,836.78 = 5,970.90/x
  3. Step 3: Cross multiply
    10,750.66x = 14,836.78 × 5,970.90
  4. Step 4: Simplify right side
    10,750.66x = 88,588,929.70
  5. Step 5: Solve for x
    x = 88,588,929.70/10,750.66
  6. Step 6: Final answer
    x = 8,240.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.