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Finding the Fourth Proportional to 35,600.40, 53,400.60 and 9,307.80

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Solution

The fourth proportional to 35,600.40, 53,400.60 and 9,307.80 is: 13,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,600.40 : 53,400.60 = 9,307.80 : x
  2. Step 2: Convert to fraction form
    35,600.40/53,400.60 = 9,307.80/x
  3. Step 3: Cross multiply
    35,600.40x = 53,400.60 × 9,307.80
  4. Step 4: Simplify right side
    35,600.40x = 497,042,104.68
  5. Step 5: Solve for x
    x = 497,042,104.68/35,600.40
  6. Step 6: Final answer
    x = 13,961.70

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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.