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Finding the Fourth Proportional to 64,784.04, 97,176.12 and 25,352.76

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Solution

The fourth proportional to 64,784.04, 97,176.12 and 25,352.76 is: 38,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,784.04 : 97,176.12 = 25,352.76 : x
  2. Step 2: Convert to fraction form
    64,784.04/97,176.12 = 25,352.76/x
  3. Step 3: Cross multiply
    64,784.04x = 97,176.12 × 25,352.76
  4. Step 4: Simplify right side
    64,784.04x = 2,463,682,848.09
  5. Step 5: Solve for x
    x = 2,463,682,848.09/64,784.04
  6. Step 6: Final answer
    x = 38,029.16

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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.