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Finding the Fourth Proportional to 64,567.60, 89,111.64 and 36,273.28

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Solution

The fourth proportional to 64,567.60, 89,111.64 and 36,273.28 is: 50,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,567.60 : 89,111.64 = 36,273.28 : x
  2. Step 2: Convert to fraction form
    64,567.60/89,111.64 = 36,273.28/x
  3. Step 3: Cross multiply
    64,567.60x = 89,111.64 × 36,273.28
  4. Step 4: Simplify right side
    64,567.60x = 3,232,371,468.98
  5. Step 5: Solve for x
    x = 3,232,371,468.98/64,567.60
  6. Step 6: Final answer
    x = 50,061.82

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1.5x scale

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.