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Finding the Fourth Proportional to 7,013.54, 10,513.20 and 4,549.93

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Solution

The fourth proportional to 7,013.54, 10,513.20 and 4,549.93 is: 6,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.54 : 10,513.20 = 4,549.93 : x
  2. Step 2: Convert to fraction form
    7,013.54/10,513.20 = 4,549.93/x
  3. Step 3: Cross multiply
    7,013.54x = 10,513.20 × 4,549.93
  4. Step 4: Simplify right side
    7,013.54x = 47,834,324.08
  5. Step 5: Solve for x
    x = 47,834,324.08/7,013.54
  6. Step 6: Final answer
    x = 6,820.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.