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Finding the Fourth Proportional to 65,607.37, 97,899.15 and 58,538.77

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Solution

The fourth proportional to 65,607.37, 97,899.15 and 58,538.77 is: 87,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,607.37 : 97,899.15 = 58,538.77 : x
  2. Step 2: Convert to fraction form
    65,607.37/97,899.15 = 58,538.77/x
  3. Step 3: Cross multiply
    65,607.37x = 97,899.15 × 58,538.77
  4. Step 4: Simplify right side
    65,607.37x = 5,730,895,580.30
  5. Step 5: Solve for x
    x = 5,730,895,580.30/65,607.37
  6. Step 6: Final answer
    x = 87,351.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.