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Finding the Fourth Proportional to 1,683.57, 2,322.22 and 1,053.01

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Solution

The fourth proportional to 1,683.57, 2,322.22 and 1,053.01 is: 1,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.57 : 2,322.22 = 1,053.01 : x
  2. Step 2: Convert to fraction form
    1,683.57/2,322.22 = 1,053.01/x
  3. Step 3: Cross multiply
    1,683.57x = 2,322.22 × 1,053.01
  4. Step 4: Simplify right side
    1,683.57x = 2,445,307.84
  5. Step 5: Solve for x
    x = 2,445,307.84/1,683.57
  6. Step 6: Final answer
    x = 1,452.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.