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Finding the Fourth Proportional to 13,244.79, 18,294 and 9,902.46

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Solution

The fourth proportional to 13,244.79, 18,294 and 9,902.46 is: 13,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.79 : 18,294 = 9,902.46 : x
  2. Step 2: Convert to fraction form
    13,244.79/18,294 = 9,902.46/x
  3. Step 3: Cross multiply
    13,244.79x = 18,294 × 9,902.46
  4. Step 4: Simplify right side
    13,244.79x = 181,155,603.24
  5. Step 5: Solve for x
    x = 181,155,603.24/13,244.79
  6. Step 6: Final answer
    x = 13,677.50

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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.