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Finding the Fourth Proportional to 24,995.64, 37,502.82 and 12,980.31

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Solution

The fourth proportional to 24,995.64, 37,502.82 and 12,980.31 is: 19,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,995.64 : 37,502.82 = 12,980.31 : x
  2. Step 2: Convert to fraction form
    24,995.64/37,502.82 = 12,980.31/x
  3. Step 3: Cross multiply
    24,995.64x = 37,502.82 × 12,980.31
  4. Step 4: Simplify right side
    24,995.64x = 486,798,041.96
  5. Step 5: Solve for x
    x = 486,798,041.96/24,995.64
  6. Step 6: Final answer
    x = 19,475.32

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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.