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Finding the Fourth Proportional to 5,613.79, 7,746.61 and 3,095.95

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Solution

The fourth proportional to 5,613.79, 7,746.61 and 3,095.95 is: 4,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.79 : 7,746.61 = 3,095.95 : x
  2. Step 2: Convert to fraction form
    5,613.79/7,746.61 = 3,095.95/x
  3. Step 3: Cross multiply
    5,613.79x = 7,746.61 × 3,095.95
  4. Step 4: Simplify right side
    5,613.79x = 23,983,117.23
  5. Step 5: Solve for x
    x = 23,983,117.23/5,613.79
  6. Step 6: Final answer
    x = 4,272.18

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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.