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Finding the Fourth Proportional to 64,671.03, 96,973.94 and 19,683.77

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Solution

The fourth proportional to 64,671.03, 96,973.94 and 19,683.77 is: 29,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671.03 : 96,973.94 = 19,683.77 : x
  2. Step 2: Convert to fraction form
    64,671.03/96,973.94 = 19,683.77/x
  3. Step 3: Cross multiply
    64,671.03x = 96,973.94 × 19,683.77
  4. Step 4: Simplify right side
    64,671.03x = 1,908,812,147.67
  5. Step 5: Solve for x
    x = 1,908,812,147.67/64,671.03
  6. Step 6: Final answer
    x = 29,515.72

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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.