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Finding the Fourth Proportional to 53,394.63, 80,090.87 and 15,954.81

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Solution

The fourth proportional to 53,394.63, 80,090.87 and 15,954.81 is: 23,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.63 : 80,090.87 = 15,954.81 : x
  2. Step 2: Convert to fraction form
    53,394.63/80,090.87 = 15,954.81/x
  3. Step 3: Cross multiply
    53,394.63x = 80,090.87 × 15,954.81
  4. Step 4: Simplify right side
    53,394.63x = 1,277,834,533.81
  5. Step 5: Solve for x
    x = 1,277,834,533.81/53,394.63
  6. Step 6: Final answer
    x = 23,931.89

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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.