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Finding the Fourth Proportional to 64,989.19, 97,483.79 and 23,436.19

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Solution

The fourth proportional to 64,989.19, 97,483.79 and 23,436.19 is: 35,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,989.19 : 97,483.79 = 23,436.19 : x
  2. Step 2: Convert to fraction form
    64,989.19/97,483.79 = 23,436.19/x
  3. Step 3: Cross multiply
    64,989.19x = 97,483.79 × 23,436.19
  4. Step 4: Simplify right side
    64,989.19x = 2,284,648,263.47
  5. Step 5: Solve for x
    x = 2,284,648,263.47/64,989.19
  6. Step 6: Final answer
    x = 35,154.28

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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.