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Finding the Fourth Proportional to 1,070.01, 1,475.98 and 676.35

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Solution

The fourth proportional to 1,070.01, 1,475.98 and 676.35 is: 932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.01 : 1,475.98 = 676.35 : x
  2. Step 2: Convert to fraction form
    1,070.01/1,475.98 = 676.35/x
  3. Step 3: Cross multiply
    1,070.01x = 1,475.98 × 676.35
  4. Step 4: Simplify right side
    1,070.01x = 998,277.38
  5. Step 5: Solve for x
    x = 998,277.38/1,070.01
  6. Step 6: Final answer
    x = 932.96

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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.