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Finding the Fourth Proportional to 1,059.36, 1,462.53 and 705.19

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Solution

The fourth proportional to 1,059.36, 1,462.53 and 705.19 is: 973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.36 : 1,462.53 = 705.19 : x
  2. Step 2: Convert to fraction form
    1,059.36/1,462.53 = 705.19/x
  3. Step 3: Cross multiply
    1,059.36x = 1,462.53 × 705.19
  4. Step 4: Simplify right side
    1,059.36x = 1,031,361.53
  5. Step 5: Solve for x
    x = 1,031,361.53/1,059.36
  6. Step 6: Final answer
    x = 973.57

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Double scale
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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.