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Finding the Fourth Proportional to 9,755.62, 13,461.78 and 5,506.30

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Solution

The fourth proportional to 9,755.62, 13,461.78 and 5,506.30 is: 7,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.62 : 13,461.78 = 5,506.30 : x
  2. Step 2: Convert to fraction form
    9,755.62/13,461.78 = 5,506.30/x
  3. Step 3: Cross multiply
    9,755.62x = 13,461.78 × 5,506.30
  4. Step 4: Simplify right side
    9,755.62x = 74,124,599.21
  5. Step 5: Solve for x
    x = 74,124,599.21/9,755.62
  6. Step 6: Final answer
    x = 7,598.14

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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.