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Finding the Fourth Proportional to 62,723.32, 86,571.60 and 37,587.40

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Solution

The fourth proportional to 62,723.32, 86,571.60 and 37,587.40 is: 51,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,723.32 : 86,571.60 = 37,587.40 : x
  2. Step 2: Convert to fraction form
    62,723.32/86,571.60 = 37,587.40/x
  3. Step 3: Cross multiply
    62,723.32x = 86,571.60 × 37,587.40
  4. Step 4: Simplify right side
    62,723.32x = 3,254,001,357.84
  5. Step 5: Solve for x
    x = 3,254,001,357.84/62,723.32
  6. Step 6: Final answer
    x = 51,878.65

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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.