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Finding the Fourth Proportional to 1,095.30, 1,510.44 and 846.24

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Solution

The fourth proportional to 1,095.30, 1,510.44 and 846.24 is: 1,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.30 : 1,510.44 = 846.24 : x
  2. Step 2: Convert to fraction form
    1,095.30/1,510.44 = 846.24/x
  3. Step 3: Cross multiply
    1,095.30x = 1,510.44 × 846.24
  4. Step 4: Simplify right side
    1,095.30x = 1,278,194.75
  5. Step 5: Solve for x
    x = 1,278,194.75/1,095.30
  6. Step 6: Final answer
    x = 1,166.98

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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.