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Finding the Fourth Proportional to 1,676.03, 2,312.96 and 930.02

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Solution

The fourth proportional to 1,676.03, 2,312.96 and 930.02 is: 1,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.03 : 2,312.96 = 930.02 : x
  2. Step 2: Convert to fraction form
    1,676.03/2,312.96 = 930.02/x
  3. Step 3: Cross multiply
    1,676.03x = 2,312.96 × 930.02
  4. Step 4: Simplify right side
    1,676.03x = 2,151,082.84
  5. Step 5: Solve for x
    x = 2,151,082.84/1,676.03
  6. Step 6: Final answer
    x = 1,283.44

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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.