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Finding the Fourth Proportional to 10,827.60, 15,193.20 and 10,827.60

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Solution

The fourth proportional to 10,827.60, 15,193.20 and 10,827.60 is: 15,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.60 : 15,193.20 = 10,827.60 : x
  2. Step 2: Convert to fraction form
    10,827.60/15,193.20 = 10,827.60/x
  3. Step 3: Cross multiply
    10,827.60x = 15,193.20 × 10,827.60
  4. Step 4: Simplify right side
    10,827.60x = 164,505,892.32
  5. Step 5: Solve for x
    x = 164,505,892.32/10,827.60
  6. Step 6: Final answer
    x = 15,193.20

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Double scale
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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.