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Finding the Fourth Proportional to 3,032.91, 4,549.42 and 841.64

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Solution

The fourth proportional to 3,032.91, 4,549.42 and 841.64 is: 1,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.91 : 4,549.42 = 841.64 : x
  2. Step 2: Convert to fraction form
    3,032.91/4,549.42 = 841.64/x
  3. Step 3: Cross multiply
    3,032.91x = 4,549.42 × 841.64
  4. Step 4: Simplify right side
    3,032.91x = 3,828,973.01
  5. Step 5: Solve for x
    x = 3,828,973.01/3,032.91
  6. Step 6: Final answer
    x = 1,262.47

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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.