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Finding the Fourth Proportional to 941.16, 1,297.35 and 692.76

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Solution

The fourth proportional to 941.16, 1,297.35 and 692.76 is: 954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.16 : 1,297.35 = 692.76 : x
  2. Step 2: Convert to fraction form
    941.16/1,297.35 = 692.76/x
  3. Step 3: Cross multiply
    941.16x = 1,297.35 × 692.76
  4. Step 4: Simplify right side
    941.16x = 898,752.19
  5. Step 5: Solve for x
    x = 898,752.19/941.16
  6. Step 6: Final answer
    x = 954.94

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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.