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Finding the Fourth Proportional to 9,492.70, 13,098.90 and 5,513.02

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Solution

The fourth proportional to 9,492.70, 13,098.90 and 5,513.02 is: 7,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.70 : 13,098.90 = 5,513.02 : x
  2. Step 2: Convert to fraction form
    9,492.70/13,098.90 = 5,513.02/x
  3. Step 3: Cross multiply
    9,492.70x = 13,098.90 × 5,513.02
  4. Step 4: Simplify right side
    9,492.70x = 72,214,497.68
  5. Step 5: Solve for x
    x = 72,214,497.68/9,492.70
  6. Step 6: Final answer
    x = 7,607.37

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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.