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Finding the Fourth Proportional to 24,976,842.40, 37,409,276.40 and 20,497,866.40

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Solution

The fourth proportional to 24,976,842.40, 37,409,276.40 and 20,497,866.40 is: 30,700,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,976,842.40 : 37,409,276.40 = 20,497,866.40 : x
  2. Step 2: Convert to fraction form
    24,976,842.40/37,409,276.40 = 20,497,866.40/x
  3. Step 3: Cross multiply
    24,976,842.40x = 37,409,276.40 × 20,497,866.40
  4. Step 4: Simplify right side
    24,976,842.40x = 766,810,349,767,872.88
  5. Step 5: Solve for x
    x = 766,810,349,767,872.88/24,976,842.40
  6. Step 6: Final answer
    x = 30,700,852.31

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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.