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Finding the Fourth Proportional to 34,043.60, 46,980.06 and 19,893.62

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Solution

The fourth proportional to 34,043.60, 46,980.06 and 19,893.62 is: 27,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,043.60 : 46,980.06 = 19,893.62 : x
  2. Step 2: Convert to fraction form
    34,043.60/46,980.06 = 19,893.62/x
  3. Step 3: Cross multiply
    34,043.60x = 46,980.06 × 19,893.62
  4. Step 4: Simplify right side
    34,043.60x = 934,603,461.22
  5. Step 5: Solve for x
    x = 934,603,461.22/34,043.60
  6. Step 6: Final answer
    x = 27,453.13

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1.5x scale

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.