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Finding the Fourth Proportional to 10,901.57, 15,048.74 and 7,369.57

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Solution

The fourth proportional to 10,901.57, 15,048.74 and 7,369.57 is: 10,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.57 : 15,048.74 = 7,369.57 : x
  2. Step 2: Convert to fraction form
    10,901.57/15,048.74 = 7,369.57/x
  3. Step 3: Cross multiply
    10,901.57x = 15,048.74 × 7,369.57
  4. Step 4: Simplify right side
    10,901.57x = 110,902,742.84
  5. Step 5: Solve for x
    x = 110,902,742.84/10,901.57
  6. Step 6: Final answer
    x = 10,173.10

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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.