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Finding the Fourth Proportional to 1,675.36, 2,312.16 and 967.24

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Solution

The fourth proportional to 1,675.36, 2,312.16 and 967.24 is: 1,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.36 : 2,312.16 = 967.24 : x
  2. Step 2: Convert to fraction form
    1,675.36/2,312.16 = 967.24/x
  3. Step 3: Cross multiply
    1,675.36x = 2,312.16 × 967.24
  4. Step 4: Simplify right side
    1,675.36x = 2,236,413.64
  5. Step 5: Solve for x
    x = 2,236,413.64/1,675.36
  6. Step 6: Final answer
    x = 1,334.89

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1.5x scale

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.