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Finding the Fourth Proportional to 64,931.99, 97,400.76 and 25,497.65

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Solution

The fourth proportional to 64,931.99, 97,400.76 and 25,497.65 is: 38,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,931.99 : 97,400.76 = 25,497.65 : x
  2. Step 2: Convert to fraction form
    64,931.99/97,400.76 = 25,497.65/x
  3. Step 3: Cross multiply
    64,931.99x = 97,400.76 × 25,497.65
  4. Step 4: Simplify right side
    64,931.99x = 2,483,490,488.21
  5. Step 5: Solve for x
    x = 2,483,490,488.21/64,931.99
  6. Step 6: Final answer
    x = 38,247.56

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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.