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Finding the Fourth Proportional to 7,795.68, 10,758.06 and 4,651.80

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Solution

The fourth proportional to 7,795.68, 10,758.06 and 4,651.80 is: 6,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.68 : 10,758.06 = 4,651.80 : x
  2. Step 2: Convert to fraction form
    7,795.68/10,758.06 = 4,651.80/x
  3. Step 3: Cross multiply
    7,795.68x = 10,758.06 × 4,651.80
  4. Step 4: Simplify right side
    7,795.68x = 50,044,343.51
  5. Step 5: Solve for x
    x = 50,044,343.51/7,795.68
  6. Step 6: Final answer
    x = 6,419.50

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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.