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Finding the Fourth Proportional to 64,364.99, 96,573.92 and 28,322.87

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Solution

The fourth proportional to 64,364.99, 96,573.92 and 28,322.87 is: 42,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.99 : 96,573.92 = 28,322.87 : x
  2. Step 2: Convert to fraction form
    64,364.99/96,573.92 = 28,322.87/x
  3. Step 3: Cross multiply
    64,364.99x = 96,573.92 × 28,322.87
  4. Step 4: Simplify right side
    64,364.99x = 2,735,249,957.07
  5. Step 5: Solve for x
    x = 2,735,249,957.07/64,364.99
  6. Step 6: Final answer
    x = 42,495.93

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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.