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Finding the Fourth Proportional to 64,458.48, 96,597.80 and 34,812.48

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Solution

The fourth proportional to 64,458.48, 96,597.80 and 34,812.48 is: 52,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.48 : 96,597.80 = 34,812.48 : x
  2. Step 2: Convert to fraction form
    64,458.48/96,597.80 = 34,812.48/x
  3. Step 3: Cross multiply
    64,458.48x = 96,597.80 × 34,812.48
  4. Step 4: Simplify right side
    64,458.48x = 3,362,808,980.54
  5. Step 5: Solve for x
    x = 3,362,808,980.54/64,458.48
  6. Step 6: Final answer
    x = 52,170.16

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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.