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Finding the Fourth Proportional to 70,325.44, 97,040.52 and 56,021.69

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Solution

The fourth proportional to 70,325.44, 97,040.52 and 56,021.69 is: 77,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.44 : 97,040.52 = 56,021.69 : x
  2. Step 2: Convert to fraction form
    70,325.44/97,040.52 = 56,021.69/x
  3. Step 3: Cross multiply
    70,325.44x = 97,040.52 × 56,021.69
  4. Step 4: Simplify right side
    70,325.44x = 5,436,374,171.48
  5. Step 5: Solve for x
    x = 5,436,374,171.48/70,325.44
  6. Step 6: Final answer
    x = 77,303.10

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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.