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Finding the Fourth Proportional to 6,664.76, 9,953.93 and 6,038.80

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Solution

The fourth proportional to 6,664.76, 9,953.93 and 6,038.80 is: 9,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.76 : 9,953.93 = 6,038.80 : x
  2. Step 2: Convert to fraction form
    6,664.76/9,953.93 = 6,038.80/x
  3. Step 3: Cross multiply
    6,664.76x = 9,953.93 × 6,038.80
  4. Step 4: Simplify right side
    6,664.76x = 60,109,814.69
  5. Step 5: Solve for x
    x = 60,109,814.69/6,664.76
  6. Step 6: Final answer
    x = 9,019.06

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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.