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Finding the Fourth Proportional to 7,062.72, 9,746.10 and 4,409.97

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Solution

The fourth proportional to 7,062.72, 9,746.10 and 4,409.97 is: 6,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.72 : 9,746.10 = 4,409.97 : x
  2. Step 2: Convert to fraction form
    7,062.72/9,746.10 = 4,409.97/x
  3. Step 3: Cross multiply
    7,062.72x = 9,746.10 × 4,409.97
  4. Step 4: Simplify right side
    7,062.72x = 42,980,008.62
  5. Step 5: Solve for x
    x = 42,980,008.62/7,062.72
  6. Step 6: Final answer
    x = 6,085.48

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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.