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Finding the Fourth Proportional to 1,056.46, 1,584.84 and 569.24

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Solution

The fourth proportional to 1,056.46, 1,584.84 and 569.24 is: 853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.46 : 1,584.84 = 569.24 : x
  2. Step 2: Convert to fraction form
    1,056.46/1,584.84 = 569.24/x
  3. Step 3: Cross multiply
    1,056.46x = 1,584.84 × 569.24
  4. Step 4: Simplify right side
    1,056.46x = 902,154.32
  5. Step 5: Solve for x
    x = 902,154.32/1,056.46
  6. Step 6: Final answer
    x = 853.94

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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.