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Finding the Fourth Proportional to 7,804.88, 11,703.12 and 3,417.23

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Solution

The fourth proportional to 7,804.88, 11,703.12 and 3,417.23 is: 5,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.88 : 11,703.12 = 3,417.23 : x
  2. Step 2: Convert to fraction form
    7,804.88/11,703.12 = 3,417.23/x
  3. Step 3: Cross multiply
    7,804.88x = 11,703.12 × 3,417.23
  4. Step 4: Simplify right side
    7,804.88x = 39,992,252.76
  5. Step 5: Solve for x
    x = 39,992,252.76/7,804.88
  6. Step 6: Final answer
    x = 5,124.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.