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Finding the Fourth Proportional to 33,411, 46,108.70 and 18,507

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Solution

The fourth proportional to 33,411, 46,108.70 and 18,507 is: 25,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,411 : 46,108.70 = 18,507 : x
  2. Step 2: Convert to fraction form
    33,411/46,108.70 = 18,507/x
  3. Step 3: Cross multiply
    33,411x = 46,108.70 × 18,507
  4. Step 4: Simplify right side
    33,411x = 853,333,710.90
  5. Step 5: Solve for x
    x = 853,333,710.90/33,411
  6. Step 6: Final answer
    x = 25,540.50

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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.