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Finding the Fourth Proportional to 64,230.60, 88,656.06 and 37,378.32

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Solution

The fourth proportional to 64,230.60, 88,656.06 and 37,378.32 is: 51,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.60 : 88,656.06 = 37,378.32 : x
  2. Step 2: Convert to fraction form
    64,230.60/88,656.06 = 37,378.32/x
  3. Step 3: Cross multiply
    64,230.60x = 88,656.06 × 37,378.32
  4. Step 4: Simplify right side
    64,230.60x = 3,313,814,580.62
  5. Step 5: Solve for x
    x = 3,313,814,580.62/64,230.60
  6. Step 6: Final answer
    x = 51,592.46

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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.