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Finding the Fourth Proportional to 35,411.60, 53,117.40 and 33,894.80

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Solution

The fourth proportional to 35,411.60, 53,117.40 and 33,894.80 is: 50,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.60 : 53,117.40 = 33,894.80 : x
  2. Step 2: Convert to fraction form
    35,411.60/53,117.40 = 33,894.80/x
  3. Step 3: Cross multiply
    35,411.60x = 53,117.40 × 33,894.80
  4. Step 4: Simplify right side
    35,411.60x = 1,800,403,649.52
  5. Step 5: Solve for x
    x = 1,800,403,649.52/35,411.60
  6. Step 6: Final answer
    x = 50,842.20

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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.