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Finding the Fourth Proportional to 1,051.12, 1,576.12 and 473.52

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Solution

The fourth proportional to 1,051.12, 1,576.12 and 473.52 is: 710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.12 : 1,576.12 = 473.52 : x
  2. Step 2: Convert to fraction form
    1,051.12/1,576.12 = 473.52/x
  3. Step 3: Cross multiply
    1,051.12x = 1,576.12 × 473.52
  4. Step 4: Simplify right side
    1,051.12x = 746,324.34
  5. Step 5: Solve for x
    x = 746,324.34/1,051.12
  6. Step 6: Final answer
    x = 710.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.