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Finding the Fourth Proportional to 64,980.15, 97,482.37 and 20,594.98

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Solution

The fourth proportional to 64,980.15, 97,482.37 and 20,594.98 is: 30,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980.15 : 97,482.37 = 20,594.98 : x
  2. Step 2: Convert to fraction form
    64,980.15/97,482.37 = 20,594.98/x
  3. Step 3: Cross multiply
    64,980.15x = 97,482.37 × 20,594.98
  4. Step 4: Simplify right side
    64,980.15x = 2,007,647,460.50
  5. Step 5: Solve for x
    x = 2,007,647,460.50/64,980.15
  6. Step 6: Final answer
    x = 30,896.32

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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.