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Finding the Fourth Proportional to 1,583.05, 2,370.12 and 888.48

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Solution

The fourth proportional to 1,583.05, 2,370.12 and 888.48 is: 1,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.05 : 2,370.12 = 888.48 : x
  2. Step 2: Convert to fraction form
    1,583.05/2,370.12 = 888.48/x
  3. Step 3: Cross multiply
    1,583.05x = 2,370.12 × 888.48
  4. Step 4: Simplify right side
    1,583.05x = 2,105,804.22
  5. Step 5: Solve for x
    x = 2,105,804.22/1,583.05
  6. Step 6: Final answer
    x = 1,330.22

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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.