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Finding the Fourth Proportional to 6,718.32, 10,009.97 and 6,341.07

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Solution

The fourth proportional to 6,718.32, 10,009.97 and 6,341.07 is: 9,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.32 : 10,009.97 = 6,341.07 : x
  2. Step 2: Convert to fraction form
    6,718.32/10,009.97 = 6,341.07/x
  3. Step 3: Cross multiply
    6,718.32x = 10,009.97 × 6,341.07
  4. Step 4: Simplify right side
    6,718.32x = 63,473,888.76
  5. Step 5: Solve for x
    x = 63,473,888.76/6,718.32
  6. Step 6: Final answer
    x = 9,447.88

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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.