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Finding the Fourth Proportional to 64,752.94, 97,134.91 and 18,005.81

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Solution

The fourth proportional to 64,752.94, 97,134.91 and 18,005.81 is: 27,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,752.94 : 97,134.91 = 18,005.81 : x
  2. Step 2: Convert to fraction form
    64,752.94/97,134.91 = 18,005.81/x
  3. Step 3: Cross multiply
    64,752.94x = 97,134.91 × 18,005.81
  4. Step 4: Simplify right side
    64,752.94x = 1,748,992,931.65
  5. Step 5: Solve for x
    x = 1,748,992,931.65/64,752.94
  6. Step 6: Final answer
    x = 27,010.25

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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.