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Finding the Fourth Proportional to 64,792.26, 89,412.93 and 36,507.06

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Solution

The fourth proportional to 64,792.26, 89,412.93 and 36,507.06 is: 50,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792.26 : 89,412.93 = 36,507.06 : x
  2. Step 2: Convert to fraction form
    64,792.26/89,412.93 = 36,507.06/x
  3. Step 3: Cross multiply
    64,792.26x = 89,412.93 × 36,507.06
  4. Step 4: Simplify right side
    64,792.26x = 3,264,203,200.29
  5. Step 5: Solve for x
    x = 3,264,203,200.29/64,792.26
  6. Step 6: Final answer
    x = 50,379.52

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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.