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Finding the Fourth Proportional to 2,001.84, 2,760.04 and 1,530.32

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Solution

The fourth proportional to 2,001.84, 2,760.04 and 1,530.32 is: 2,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.84 : 2,760.04 = 1,530.32 : x
  2. Step 2: Convert to fraction form
    2,001.84/2,760.04 = 1,530.32/x
  3. Step 3: Cross multiply
    2,001.84x = 2,760.04 × 1,530.32
  4. Step 4: Simplify right side
    2,001.84x = 4,223,744.41
  5. Step 5: Solve for x
    x = 4,223,744.41/2,001.84
  6. Step 6: Final answer
    x = 2,109.93

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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.