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Finding the Fourth Proportional to 60,600.10, 91,031.10 and 51,258.64

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Solution

The fourth proportional to 60,600.10, 91,031.10 and 51,258.64 is: 76,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,600.10 : 91,031.10 = 51,258.64 : x
  2. Step 2: Convert to fraction form
    60,600.10/91,031.10 = 51,258.64/x
  3. Step 3: Cross multiply
    60,600.10x = 91,031.10 × 51,258.64
  4. Step 4: Simplify right side
    60,600.10x = 4,666,130,383.70
  5. Step 5: Solve for x
    x = 4,666,130,383.70/60,600.10
  6. Step 6: Final answer
    x = 76,998.72

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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.