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Finding the Fourth Proportional to 64,683.73, 97,018.76 and 17,303.60

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Solution

The fourth proportional to 64,683.73, 97,018.76 and 17,303.60 is: 25,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683.73 : 97,018.76 = 17,303.60 : x
  2. Step 2: Convert to fraction form
    64,683.73/97,018.76 = 17,303.60/x
  3. Step 3: Cross multiply
    64,683.73x = 97,018.76 × 17,303.60
  4. Step 4: Simplify right side
    64,683.73x = 1,678,773,815.54
  5. Step 5: Solve for x
    x = 1,678,773,815.54/64,683.73
  6. Step 6: Final answer
    x = 25,953.57

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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.