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Finding the Fourth Proportional to 11,281.92, 15,569.01 and 6,313.92

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Solution

The fourth proportional to 11,281.92, 15,569.01 and 6,313.92 is: 8,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.92 : 15,569.01 = 6,313.92 : x
  2. Step 2: Convert to fraction form
    11,281.92/15,569.01 = 6,313.92/x
  3. Step 3: Cross multiply
    11,281.92x = 15,569.01 × 6,313.92
  4. Step 4: Simplify right side
    11,281.92x = 98,301,483.62
  5. Step 5: Solve for x
    x = 98,301,483.62/11,281.92
  6. Step 6: Final answer
    x = 8,713.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.