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Finding the Fourth Proportional to 65,888.75, 90,924.80 and 36,817.36

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Solution

The fourth proportional to 65,888.75, 90,924.80 and 36,817.36 is: 50,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.75 : 90,924.80 = 36,817.36 : x
  2. Step 2: Convert to fraction form
    65,888.75/90,924.80 = 36,817.36/x
  3. Step 3: Cross multiply
    65,888.75x = 90,924.80 × 36,817.36
  4. Step 4: Simplify right side
    65,888.75x = 3,347,610,683.13
  5. Step 5: Solve for x
    x = 3,347,610,683.13/65,888.75
  6. Step 6: Final answer
    x = 50,807.01

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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.