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Finding the Fourth Proportional to 9,503.79, 13,114.97 and 5,254.55

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Solution

The fourth proportional to 9,503.79, 13,114.97 and 5,254.55 is: 7,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.79 : 13,114.97 = 5,254.55 : x
  2. Step 2: Convert to fraction form
    9,503.79/13,114.97 = 5,254.55/x
  3. Step 3: Cross multiply
    9,503.79x = 13,114.97 × 5,254.55
  4. Step 4: Simplify right side
    9,503.79x = 68,913,173.77
  5. Step 5: Solve for x
    x = 68,913,173.77/9,503.79
  6. Step 6: Final answer
    x = 7,251.13

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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.