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Finding the Fourth Proportional to 46,522.61, 64,201.88 and 28,607.03

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Solution

The fourth proportional to 46,522.61, 64,201.88 and 28,607.03 is: 39,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,522.61 : 64,201.88 = 28,607.03 : x
  2. Step 2: Convert to fraction form
    46,522.61/64,201.88 = 28,607.03/x
  3. Step 3: Cross multiply
    46,522.61x = 64,201.88 × 28,607.03
  4. Step 4: Simplify right side
    46,522.61x = 1,836,625,107.22
  5. Step 5: Solve for x
    x = 1,836,625,107.22/46,522.61
  6. Step 6: Final answer
    x = 39,478.12

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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.