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Finding the Fourth Proportional to 76,482.66, 114,735.68 and 39,022.32

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Solution

The fourth proportional to 76,482.66, 114,735.68 and 39,022.32 is: 58,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,482.66 : 114,735.68 = 39,022.32 : x
  2. Step 2: Convert to fraction form
    76,482.66/114,735.68 = 39,022.32/x
  3. Step 3: Cross multiply
    76,482.66x = 114,735.68 × 39,022.32
  4. Step 4: Simplify right side
    76,482.66x = 4,477,252,225.27
  5. Step 5: Solve for x
    x = 4,477,252,225.27/76,482.66
  6. Step 6: Final answer
    x = 58,539.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.