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Finding the Fourth Proportional to 34,008.25, 46,928.93 and 21,267.15

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Solution

The fourth proportional to 34,008.25, 46,928.93 and 21,267.15 is: 29,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,008.25 : 46,928.93 = 21,267.15 : x
  2. Step 2: Convert to fraction form
    34,008.25/46,928.93 = 21,267.15/x
  3. Step 3: Cross multiply
    34,008.25x = 46,928.93 × 21,267.15
  4. Step 4: Simplify right side
    34,008.25x = 998,044,359.00
  5. Step 5: Solve for x
    x = 998,044,359.00/34,008.25
  6. Step 6: Final answer
    x = 29,347.13

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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.