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Finding the Fourth Proportional to 35,918.73, 53,878.11 and 9,622.80

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Solution

The fourth proportional to 35,918.73, 53,878.11 and 9,622.80 is: 14,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.73 : 53,878.11 = 9,622.80 : x
  2. Step 2: Convert to fraction form
    35,918.73/53,878.11 = 9,622.80/x
  3. Step 3: Cross multiply
    35,918.73x = 53,878.11 × 9,622.80
  4. Step 4: Simplify right side
    35,918.73x = 518,458,276.91
  5. Step 5: Solve for x
    x = 518,458,276.91/35,918.73
  6. Step 6: Final answer
    x = 14,434.20

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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.