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Finding the Fourth Proportional to 10,363.30, 15,537.08 and 5,360.30

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Solution

The fourth proportional to 10,363.30, 15,537.08 and 5,360.30 is: 8,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.30 : 15,537.08 = 5,360.30 : x
  2. Step 2: Convert to fraction form
    10,363.30/15,537.08 = 5,360.30/x
  3. Step 3: Cross multiply
    10,363.30x = 15,537.08 × 5,360.30
  4. Step 4: Simplify right side
    10,363.30x = 83,283,409.92
  5. Step 5: Solve for x
    x = 83,283,409.92/10,363.30
  6. Step 6: Final answer
    x = 8,036.38

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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.