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Finding the Fourth Proportional to 1,454.80, 2,008.76 and 895.53

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Solution

The fourth proportional to 1,454.80, 2,008.76 and 895.53 is: 1,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.80 : 2,008.76 = 895.53 : x
  2. Step 2: Convert to fraction form
    1,454.80/2,008.76 = 895.53/x
  3. Step 3: Cross multiply
    1,454.80x = 2,008.76 × 895.53
  4. Step 4: Simplify right side
    1,454.80x = 1,798,904.84
  5. Step 5: Solve for x
    x = 1,798,904.84/1,454.80
  6. Step 6: Final answer
    x = 1,236.53

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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.