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Finding the Fourth Proportional to 2,095.61, 3,143.53 and 1,509.00

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Solution

The fourth proportional to 2,095.61, 3,143.53 and 1,509.00 is: 2,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.61 : 3,143.53 = 1,509.00 : x
  2. Step 2: Convert to fraction form
    2,095.61/3,143.53 = 1,509.00/x
  3. Step 3: Cross multiply
    2,095.61x = 3,143.53 × 1,509.00
  4. Step 4: Simplify right side
    2,095.61x = 4,743,576.87
  5. Step 5: Solve for x
    x = 4,743,576.87/2,095.61
  6. Step 6: Final answer
    x = 2,263.58

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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.