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Finding the Fourth Proportional to 914.04, 1,260.36 and 895.68

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Solution

The fourth proportional to 914.04, 1,260.36 and 895.68 is: 1,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.04 : 1,260.36 = 895.68 : x
  2. Step 2: Convert to fraction form
    914.04/1,260.36 = 895.68/x
  3. Step 3: Cross multiply
    914.04x = 1,260.36 × 895.68
  4. Step 4: Simplify right side
    914.04x = 1,128,879.24
  5. Step 5: Solve for x
    x = 1,128,879.24/914.04
  6. Step 6: Final answer
    x = 1,235.04

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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.