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Finding the Fourth Proportional to 64,762.60, 97,135.74 and 18,019.08

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Solution

The fourth proportional to 64,762.60, 97,135.74 and 18,019.08 is: 27,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,762.60 : 97,135.74 = 18,019.08 : x
  2. Step 2: Convert to fraction form
    64,762.60/97,135.74 = 18,019.08/x
  3. Step 3: Cross multiply
    64,762.60x = 97,135.74 × 18,019.08
  4. Step 4: Simplify right side
    64,762.60x = 1,750,296,669.92
  5. Step 5: Solve for x
    x = 1,750,296,669.92/64,762.60
  6. Step 6: Final answer
    x = 27,026.35

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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.