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Finding the Fourth Proportional to 7,640.64, 11,409.23 and 6,062.93

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Solution

The fourth proportional to 7,640.64, 11,409.23 and 6,062.93 is: 9,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.64 : 11,409.23 = 6,062.93 : x
  2. Step 2: Convert to fraction form
    7,640.64/11,409.23 = 6,062.93/x
  3. Step 3: Cross multiply
    7,640.64x = 11,409.23 × 6,062.93
  4. Step 4: Simplify right side
    7,640.64x = 69,173,332.53
  5. Step 5: Solve for x
    x = 69,173,332.53/7,640.64
  6. Step 6: Final answer
    x = 9,053.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.