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Finding the Fourth Proportional to 19,482, 29,208.40 and 6,326.52

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Solution

The fourth proportional to 19,482, 29,208.40 and 6,326.52 is: 9,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482 : 29,208.40 = 6,326.52 : x
  2. Step 2: Convert to fraction form
    19,482/29,208.40 = 6,326.52/x
  3. Step 3: Cross multiply
    19,482x = 29,208.40 × 6,326.52
  4. Step 4: Simplify right side
    19,482x = 184,787,526.77
  5. Step 5: Solve for x
    x = 184,787,526.77/19,482
  6. Step 6: Final answer
    x = 9,485.04

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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.