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Finding the Fourth Proportional to 93,791.52, 129,427.57 and 53,503.74

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Solution

The fourth proportional to 93,791.52, 129,427.57 and 53,503.74 is: 73,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,791.52 : 129,427.57 = 53,503.74 : x
  2. Step 2: Convert to fraction form
    93,791.52/129,427.57 = 53,503.74/x
  3. Step 3: Cross multiply
    93,791.52x = 129,427.57 × 53,503.74
  4. Step 4: Simplify right side
    93,791.52x = 6,924,859,120.99
  5. Step 5: Solve for x
    x = 6,924,859,120.99/93,791.52
  6. Step 6: Final answer
    x = 73,832.47

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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.