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Finding the Fourth Proportional to 4,681.52, 7,016.98 and 1,904.70

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Solution

The fourth proportional to 4,681.52, 7,016.98 and 1,904.70 is: 2,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.52 : 7,016.98 = 1,904.70 : x
  2. Step 2: Convert to fraction form
    4,681.52/7,016.98 = 1,904.70/x
  3. Step 3: Cross multiply
    4,681.52x = 7,016.98 × 1,904.70
  4. Step 4: Simplify right side
    4,681.52x = 13,365,241.81
  5. Step 5: Solve for x
    x = 13,365,241.81/4,681.52
  6. Step 6: Final answer
    x = 2,854.89

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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.