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Finding the Fourth Proportional to 7,904.97, 10,909.08 and 4,368.41

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Solution

The fourth proportional to 7,904.97, 10,909.08 and 4,368.41 is: 6,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.97 : 10,909.08 = 4,368.41 : x
  2. Step 2: Convert to fraction form
    7,904.97/10,909.08 = 4,368.41/x
  3. Step 3: Cross multiply
    7,904.97x = 10,909.08 × 4,368.41
  4. Step 4: Simplify right side
    7,904.97x = 47,655,312.32
  5. Step 5: Solve for x
    x = 47,655,312.32/7,904.97
  6. Step 6: Final answer
    x = 6,028.53

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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.