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Finding the Fourth Proportional to 64,043.70, 88,376.64 and 35,751.18

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Solution

The fourth proportional to 64,043.70, 88,376.64 and 35,751.18 is: 49,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,043.70 : 88,376.64 = 35,751.18 : x
  2. Step 2: Convert to fraction form
    64,043.70/88,376.64 = 35,751.18/x
  3. Step 3: Cross multiply
    64,043.70x = 88,376.64 × 35,751.18
  4. Step 4: Simplify right side
    64,043.70x = 3,159,569,164.44
  5. Step 5: Solve for x
    x = 3,159,569,164.44/64,043.70
  6. Step 6: Final answer
    x = 49,334.58

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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.