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Finding the Fourth Proportional to 1,518.36, 2,095.38 and 846.18

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Solution

The fourth proportional to 1,518.36, 2,095.38 and 846.18 is: 1,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.36 : 2,095.38 = 846.18 : x
  2. Step 2: Convert to fraction form
    1,518.36/2,095.38 = 846.18/x
  3. Step 3: Cross multiply
    1,518.36x = 2,095.38 × 846.18
  4. Step 4: Simplify right side
    1,518.36x = 1,773,068.65
  5. Step 5: Solve for x
    x = 1,773,068.65/1,518.36
  6. Step 6: Final answer
    x = 1,167.75

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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.