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Finding the Fourth Proportional to 1,332.16, 1,837.02 and 1,000.06

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Solution

The fourth proportional to 1,332.16, 1,837.02 and 1,000.06 is: 1,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.16 : 1,837.02 = 1,000.06 : x
  2. Step 2: Convert to fraction form
    1,332.16/1,837.02 = 1,000.06/x
  3. Step 3: Cross multiply
    1,332.16x = 1,837.02 × 1,000.06
  4. Step 4: Simplify right side
    1,332.16x = 1,837,130.22
  5. Step 5: Solve for x
    x = 1,837,130.22/1,332.16
  6. Step 6: Final answer
    x = 1,379.06

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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.