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Finding the Fourth Proportional to 64,624.80, 96,897.51 and 25,135.89

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Solution

The fourth proportional to 64,624.80, 96,897.51 and 25,135.89 is: 37,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624.80 : 96,897.51 = 25,135.89 : x
  2. Step 2: Convert to fraction form
    64,624.80/96,897.51 = 25,135.89/x
  3. Step 3: Cross multiply
    64,624.80x = 96,897.51 × 25,135.89
  4. Step 4: Simplify right side
    64,624.80x = 2,435,605,152.63
  5. Step 5: Solve for x
    x = 2,435,605,152.63/64,624.80
  6. Step 6: Final answer
    x = 37,688.40

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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.