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Finding the Fourth Proportional to 1,047.41, 1,572.06 and 584.51

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Solution

The fourth proportional to 1,047.41, 1,572.06 and 584.51 is: 877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.41 : 1,572.06 = 584.51 : x
  2. Step 2: Convert to fraction form
    1,047.41/1,572.06 = 584.51/x
  3. Step 3: Cross multiply
    1,047.41x = 1,572.06 × 584.51
  4. Step 4: Simplify right side
    1,047.41x = 918,884.79
  5. Step 5: Solve for x
    x = 918,884.79/1,047.41
  6. Step 6: Final answer
    x = 877.29

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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.