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Finding the Fourth Proportional to 35,999.60, 53,934.60 and 30,815.60

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Solution

The fourth proportional to 35,999.60, 53,934.60 and 30,815.60 is: 46,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.60 : 53,934.60 = 30,815.60 : x
  2. Step 2: Convert to fraction form
    35,999.60/53,934.60 = 30,815.60/x
  3. Step 3: Cross multiply
    35,999.60x = 53,934.60 × 30,815.60
  4. Step 4: Simplify right side
    35,999.60x = 1,662,027,059.76
  5. Step 5: Solve for x
    x = 1,662,027,059.76/35,999.60
  6. Step 6: Final answer
    x = 46,167.93

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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.