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Finding the Fourth Proportional to 64,990.32, 97,485.48 and 23,437.32

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Solution

The fourth proportional to 64,990.32, 97,485.48 and 23,437.32 is: 35,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.32 : 97,485.48 = 23,437.32 : x
  2. Step 2: Convert to fraction form
    64,990.32/97,485.48 = 23,437.32/x
  3. Step 3: Cross multiply
    64,990.32x = 97,485.48 × 23,437.32
  4. Step 4: Simplify right side
    64,990.32x = 2,284,798,390.11
  5. Step 5: Solve for x
    x = 2,284,798,390.11/64,990.32
  6. Step 6: Final answer
    x = 35,155.98

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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.