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Finding the Fourth Proportional to 64,874.40, 97,095.60 and 47,054.40

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Solution

The fourth proportional to 64,874.40, 97,095.60 and 47,054.40 is: 70,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.40 : 97,095.60 = 47,054.40 : x
  2. Step 2: Convert to fraction form
    64,874.40/97,095.60 = 47,054.40/x
  3. Step 3: Cross multiply
    64,874.40x = 97,095.60 × 47,054.40
  4. Step 4: Simplify right side
    64,874.40x = 4,568,775,200.64
  5. Step 5: Solve for x
    x = 4,568,775,200.64/64,874.40
  6. Step 6: Final answer
    x = 70,424.93

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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.