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Finding the Fourth Proportional to 46,866.16, 64,679.70 and 28,002.88

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Solution

The fourth proportional to 46,866.16, 64,679.70 and 28,002.88 is: 38,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,866.16 : 64,679.70 = 28,002.88 : x
  2. Step 2: Convert to fraction form
    46,866.16/64,679.70 = 28,002.88/x
  3. Step 3: Cross multiply
    46,866.16x = 64,679.70 × 28,002.88
  4. Step 4: Simplify right side
    46,866.16x = 1,811,217,877.54
  5. Step 5: Solve for x
    x = 1,811,217,877.54/46,866.16
  6. Step 6: Final answer
    x = 38,646.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.