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Finding the Fourth Proportional to 7,798.95, 10,759.49 and 4,809.59

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Solution

The fourth proportional to 7,798.95, 10,759.49 and 4,809.59 is: 6,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.95 : 10,759.49 = 4,809.59 : x
  2. Step 2: Convert to fraction form
    7,798.95/10,759.49 = 4,809.59/x
  3. Step 3: Cross multiply
    7,798.95x = 10,759.49 × 4,809.59
  4. Step 4: Simplify right side
    7,798.95x = 51,748,774.43
  5. Step 5: Solve for x
    x = 51,748,774.43/7,798.95
  6. Step 6: Final answer
    x = 6,635.35

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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.