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Finding the Fourth Proportional to 7,063.77, 9,746.34 and 4,079.04

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Solution

The fourth proportional to 7,063.77, 9,746.34 and 4,079.04 is: 5,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.77 : 9,746.34 = 4,079.04 : x
  2. Step 2: Convert to fraction form
    7,063.77/9,746.34 = 4,079.04/x
  3. Step 3: Cross multiply
    7,063.77x = 9,746.34 × 4,079.04
  4. Step 4: Simplify right side
    7,063.77x = 39,755,710.71
  5. Step 5: Solve for x
    x = 39,755,710.71/7,063.77
  6. Step 6: Final answer
    x = 5,628.12

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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.