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Finding the Fourth Proportional to 9,809.64, 13,537.16 and 5,333.48

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Solution

The fourth proportional to 9,809.64, 13,537.16 and 5,333.48 is: 7,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.64 : 13,537.16 = 5,333.48 : x
  2. Step 2: Convert to fraction form
    9,809.64/13,537.16 = 5,333.48/x
  3. Step 3: Cross multiply
    9,809.64x = 13,537.16 × 5,333.48
  4. Step 4: Simplify right side
    9,809.64x = 72,200,172.12
  5. Step 5: Solve for x
    x = 72,200,172.12/9,809.64
  6. Step 6: Final answer
    x = 7,360.12

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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.