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Finding the Fourth Proportional to 7,750.95, 10,696.53 and 4,393.63

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Solution

The fourth proportional to 7,750.95, 10,696.53 and 4,393.63 is: 6,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.95 : 10,696.53 = 4,393.63 : x
  2. Step 2: Convert to fraction form
    7,750.95/10,696.53 = 4,393.63/x
  3. Step 3: Cross multiply
    7,750.95x = 10,696.53 × 4,393.63
  4. Step 4: Simplify right side
    7,750.95x = 46,996,595.10
  5. Step 5: Solve for x
    x = 46,996,595.10/7,750.95
  6. Step 6: Final answer
    x = 6,063.33

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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.