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Finding the Fourth Proportional to 64,315.26, 96,495.57 and 19,953.18

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Solution

The fourth proportional to 64,315.26, 96,495.57 and 19,953.18 is: 29,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,315.26 : 96,495.57 = 19,953.18 : x
  2. Step 2: Convert to fraction form
    64,315.26/96,495.57 = 19,953.18/x
  3. Step 3: Cross multiply
    64,315.26x = 96,495.57 × 19,953.18
  4. Step 4: Simplify right side
    64,315.26x = 1,925,393,477.41
  5. Step 5: Solve for x
    x = 1,925,393,477.41/64,315.26
  6. Step 6: Final answer
    x = 29,936.81

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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.