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Finding the Fourth Proportional to 895.96, 1,334.55 and 884.76

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Solution

The fourth proportional to 895.96, 1,334.55 and 884.76 is: 1,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.96 : 1,334.55 = 884.76 : x
  2. Step 2: Convert to fraction form
    895.96/1,334.55 = 884.76/x
  3. Step 3: Cross multiply
    895.96x = 1,334.55 × 884.76
  4. Step 4: Simplify right side
    895.96x = 1,180,756.46
  5. Step 5: Solve for x
    x = 1,180,756.46/895.96
  6. Step 6: Final answer
    x = 1,317.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.