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Finding the Fourth Proportional to 3,059.62, 4,222.93 and 1,865.00

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Solution

The fourth proportional to 3,059.62, 4,222.93 and 1,865.00 is: 2,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.62 : 4,222.93 = 1,865.00 : x
  2. Step 2: Convert to fraction form
    3,059.62/4,222.93 = 1,865.00/x
  3. Step 3: Cross multiply
    3,059.62x = 4,222.93 × 1,865.00
  4. Step 4: Simplify right side
    3,059.62x = 7,875,743.34
  5. Step 5: Solve for x
    x = 7,875,743.34/3,059.62
  6. Step 6: Final answer
    x = 2,574.09

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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.