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Finding the Fourth Proportional to 64,424.45, 96,510.81 and 44,386.67

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Solution

The fourth proportional to 64,424.45, 96,510.81 and 44,386.67 is: 66,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424.45 : 96,510.81 = 44,386.67 : x
  2. Step 2: Convert to fraction form
    64,424.45/96,510.81 = 44,386.67/x
  3. Step 3: Cross multiply
    64,424.45x = 96,510.81 × 44,386.67
  4. Step 4: Simplify right side
    64,424.45x = 4,283,793,474.90
  5. Step 5: Solve for x
    x = 4,283,793,474.90/64,424.45
  6. Step 6: Final answer
    x = 66,493.29

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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.