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Finding the Fourth Proportional to 61,208.97, 91,802.88 and 16,230.63

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Solution

The fourth proportional to 61,208.97, 91,802.88 and 16,230.63 is: 24,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.97 : 91,802.88 = 16,230.63 : x
  2. Step 2: Convert to fraction form
    61,208.97/91,802.88 = 16,230.63/x
  3. Step 3: Cross multiply
    61,208.97x = 91,802.88 × 16,230.63
  4. Step 4: Simplify right side
    61,208.97x = 1,490,018,578.21
  5. Step 5: Solve for x
    x = 1,490,018,578.21/61,208.97
  6. Step 6: Final answer
    x = 24,343.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.