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Finding the Fourth Proportional to 64,455.89, 88,928.88 and 37,228.50

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Solution

The fourth proportional to 64,455.89, 88,928.88 and 37,228.50 is: 51,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.89 : 88,928.88 = 37,228.50 : x
  2. Step 2: Convert to fraction form
    64,455.89/88,928.88 = 37,228.50/x
  3. Step 3: Cross multiply
    64,455.89x = 88,928.88 × 37,228.50
  4. Step 4: Simplify right side
    64,455.89x = 3,310,688,809.08
  5. Step 5: Solve for x
    x = 3,310,688,809.08/64,455.89
  6. Step 6: Final answer
    x = 51,363.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.