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Finding the Fourth Proportional to 61,301.64, 84,604.08 and 37,423.20

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Solution

The fourth proportional to 61,301.64, 84,604.08 and 37,423.20 is: 51,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,301.64 : 84,604.08 = 37,423.20 : x
  2. Step 2: Convert to fraction form
    61,301.64/84,604.08 = 37,423.20/x
  3. Step 3: Cross multiply
    61,301.64x = 84,604.08 × 37,423.20
  4. Step 4: Simplify right side
    61,301.64x = 3,166,155,406.66
  5. Step 5: Solve for x
    x = 3,166,155,406.66/61,301.64
  6. Step 6: Final answer
    x = 51,648.79

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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.