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Finding the Fourth Proportional to 10,246.80, 14,360.10 and 10,246.80

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Solution

The fourth proportional to 10,246.80, 14,360.10 and 10,246.80 is: 14,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.80 : 14,360.10 = 10,246.80 : x
  2. Step 2: Convert to fraction form
    10,246.80/14,360.10 = 10,246.80/x
  3. Step 3: Cross multiply
    10,246.80x = 14,360.10 × 10,246.80
  4. Step 4: Simplify right side
    10,246.80x = 147,145,072.68
  5. Step 5: Solve for x
    x = 147,145,072.68/10,246.80
  6. Step 6: Final answer
    x = 14,360.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.