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Finding the Fourth Proportional to 64,692, 97,038.42 and 22,571.91

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Solution

The fourth proportional to 64,692, 97,038.42 and 22,571.91 is: 33,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,692 : 97,038.42 = 22,571.91 : x
  2. Step 2: Convert to fraction form
    64,692/97,038.42 = 22,571.91/x
  3. Step 3: Cross multiply
    64,692x = 97,038.42 × 22,571.91
  4. Step 4: Simplify right side
    64,692x = 2,190,342,482.78
  5. Step 5: Solve for x
    x = 2,190,342,482.78/64,692
  6. Step 6: Final answer
    x = 33,858.01

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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.