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Finding the Fourth Proportional to 1,322.48, 1,983.82 and 592.13

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Solution

The fourth proportional to 1,322.48, 1,983.82 and 592.13 is: 888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.48 : 1,983.82 = 592.13 : x
  2. Step 2: Convert to fraction form
    1,322.48/1,983.82 = 592.13/x
  3. Step 3: Cross multiply
    1,322.48x = 1,983.82 × 592.13
  4. Step 4: Simplify right side
    1,322.48x = 1,174,679.34
  5. Step 5: Solve for x
    x = 1,174,679.34/1,322.48
  6. Step 6: Final answer
    x = 888.24

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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.