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Finding the Fourth Proportional to 60,937.60, 91,406.24 and 19,384.48

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Solution

The fourth proportional to 60,937.60, 91,406.24 and 19,384.48 is: 29,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,937.60 : 91,406.24 = 19,384.48 : x
  2. Step 2: Convert to fraction form
    60,937.60/91,406.24 = 19,384.48/x
  3. Step 3: Cross multiply
    60,937.60x = 91,406.24 × 19,384.48
  4. Step 4: Simplify right side
    60,937.60x = 1,771,862,431.16
  5. Step 5: Solve for x
    x = 1,771,862,431.16/60,937.60
  6. Step 6: Final answer
    x = 29,076.67

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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.