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Finding the Fourth Proportional to 5,005.68, 7,510.14 and 3,525

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Solution

The fourth proportional to 5,005.68, 7,510.14 and 3,525 is: 5,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.68 : 7,510.14 = 3,525 : x
  2. Step 2: Convert to fraction form
    5,005.68/7,510.14 = 3,525/x
  3. Step 3: Cross multiply
    5,005.68x = 7,510.14 × 3,525
  4. Step 4: Simplify right side
    5,005.68x = 26,473,243.50
  5. Step 5: Solve for x
    x = 26,473,243.50/5,005.68
  6. Step 6: Final answer
    x = 5,288.64

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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.