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Finding the Fourth Proportional to 1,485.52, 2,049.06 and 895.44

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Solution

The fourth proportional to 1,485.52, 2,049.06 and 895.44 is: 1,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.52 : 2,049.06 = 895.44 : x
  2. Step 2: Convert to fraction form
    1,485.52/2,049.06 = 895.44/x
  3. Step 3: Cross multiply
    1,485.52x = 2,049.06 × 895.44
  4. Step 4: Simplify right side
    1,485.52x = 1,834,810.29
  5. Step 5: Solve for x
    x = 1,834,810.29/1,485.52
  6. Step 6: Final answer
    x = 1,235.13

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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.