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Finding the Fourth Proportional to 93,796.76, 129,427.44 and 53,508.12

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Solution

The fourth proportional to 93,796.76, 129,427.44 and 53,508.12 is: 73,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,796.76 : 129,427.44 = 53,508.12 : x
  2. Step 2: Convert to fraction form
    93,796.76/129,427.44 = 53,508.12/x
  3. Step 3: Cross multiply
    93,796.76x = 129,427.44 × 53,508.12
  4. Step 4: Simplify right side
    93,796.76x = 6,925,418,990.81
  5. Step 5: Solve for x
    x = 6,925,418,990.81/93,796.76
  6. Step 6: Final answer
    x = 73,834.31

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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.