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Finding the Fourth Proportional to 10,366.60, 15,549.90 and 10,293.70

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Solution

The fourth proportional to 10,366.60, 15,549.90 and 10,293.70 is: 15,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.60 : 15,549.90 = 10,293.70 : x
  2. Step 2: Convert to fraction form
    10,366.60/15,549.90 = 10,293.70/x
  3. Step 3: Cross multiply
    10,366.60x = 15,549.90 × 10,293.70
  4. Step 4: Simplify right side
    10,366.60x = 160,066,005.63
  5. Step 5: Solve for x
    x = 160,066,005.63/10,366.60
  6. Step 6: Final answer
    x = 15,440.55

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Double scale
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Similar ratio
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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.