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Finding the Fourth Proportional to 64,153.84, 88,530.36 and 35,859.48

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Solution

The fourth proportional to 64,153.84, 88,530.36 and 35,859.48 is: 49,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,153.84 : 88,530.36 = 35,859.48 : x
  2. Step 2: Convert to fraction form
    64,153.84/88,530.36 = 35,859.48/x
  3. Step 3: Cross multiply
    64,153.84x = 88,530.36 × 35,859.48
  4. Step 4: Simplify right side
    64,153.84x = 3,174,652,673.81
  5. Step 5: Solve for x
    x = 3,174,652,673.81/64,153.84
  6. Step 6: Final answer
    x = 49,485.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.