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Finding the Fourth Proportional to 64,325.47, 96,497.56 and 19,955.77

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Solution

The fourth proportional to 64,325.47, 96,497.56 and 19,955.77 is: 29,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.47 : 96,497.56 = 19,955.77 : x
  2. Step 2: Convert to fraction form
    64,325.47/96,497.56 = 19,955.77/x
  3. Step 3: Cross multiply
    64,325.47x = 96,497.56 × 19,955.77
  4. Step 4: Simplify right side
    64,325.47x = 1,925,683,112.92
  5. Step 5: Solve for x
    x = 1,925,683,112.92/64,325.47
  6. Step 6: Final answer
    x = 29,936.56

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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.