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Finding the Fourth Proportional to 70,351.44, 97,076.40 and 56,047.72

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Solution

The fourth proportional to 70,351.44, 97,076.40 and 56,047.72 is: 77,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.44 : 97,076.40 = 56,047.72 : x
  2. Step 2: Convert to fraction form
    70,351.44/97,076.40 = 56,047.72/x
  3. Step 3: Cross multiply
    70,351.44x = 97,076.40 × 56,047.72
  4. Step 4: Simplify right side
    70,351.44x = 5,440,910,885.81
  5. Step 5: Solve for x
    x = 5,440,910,885.81/70,351.44
  6. Step 6: Final answer
    x = 77,339.01

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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.