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Finding the Fourth Proportional to 6,085.64, 9,128.90 and 1,703.40

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Solution

The fourth proportional to 6,085.64, 9,128.90 and 1,703.40 is: 2,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.64 : 9,128.90 = 1,703.40 : x
  2. Step 2: Convert to fraction form
    6,085.64/9,128.90 = 1,703.40/x
  3. Step 3: Cross multiply
    6,085.64x = 9,128.90 × 1,703.40
  4. Step 4: Simplify right side
    6,085.64x = 15,550,168.26
  5. Step 5: Solve for x
    x = 15,550,168.26/6,085.64
  6. Step 6: Final answer
    x = 2,555.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.