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Finding the Fourth Proportional to 70,950.86, 97,810.44 and 55,817.24

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Solution

The fourth proportional to 70,950.86, 97,810.44 and 55,817.24 is: 76,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,950.86 : 97,810.44 = 55,817.24 : x
  2. Step 2: Convert to fraction form
    70,950.86/97,810.44 = 55,817.24/x
  3. Step 3: Cross multiply
    70,950.86x = 97,810.44 × 55,817.24
  4. Step 4: Simplify right side
    70,950.86x = 5,459,508,803.99
  5. Step 5: Solve for x
    x = 5,459,508,803.99/70,950.86
  6. Step 6: Final answer
    x = 76,947.75

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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.