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Finding the Fourth Proportional to 10,335.60, 15,486.30 and 5,945.40

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Solution

The fourth proportional to 10,335.60, 15,486.30 and 5,945.40 is: 8,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.60 : 15,486.30 = 5,945.40 : x
  2. Step 2: Convert to fraction form
    10,335.60/15,486.30 = 5,945.40/x
  3. Step 3: Cross multiply
    10,335.60x = 15,486.30 × 5,945.40
  4. Step 4: Simplify right side
    10,335.60x = 92,072,248.02
  5. Step 5: Solve for x
    x = 92,072,248.02/10,335.60
  6. Step 6: Final answer
    x = 8,908.26

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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.