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Finding the Fourth Proportional to 93,881.58, 129,561.77 and 53,608.28

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Solution

The fourth proportional to 93,881.58, 129,561.77 and 53,608.28 is: 73,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.58 : 129,561.77 = 53,608.28 : x
  2. Step 2: Convert to fraction form
    93,881.58/129,561.77 = 53,608.28/x
  3. Step 3: Cross multiply
    93,881.58x = 129,561.77 × 53,608.28
  4. Step 4: Simplify right side
    93,881.58x = 6,945,582,727.61
  5. Step 5: Solve for x
    x = 6,945,582,727.61/93,881.58
  6. Step 6: Final answer
    x = 73,982.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.