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Finding the Fourth Proportional to 16,842,808.40, 25,216,973.40 and 16,370,416.40

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Solution

The fourth proportional to 16,842,808.40, 25,216,973.40 and 16,370,416.40 is: 24,509,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842,808.40 : 25,216,973.40 = 16,370,416.40 : x
  2. Step 2: Convert to fraction form
    16,842,808.40/25,216,973.40 = 16,370,416.40/x
  3. Step 3: Cross multiply
    16,842,808.40x = 25,216,973.40 × 16,370,416.40
  4. Step 4: Simplify right side
    16,842,808.40x = 412,812,354,905,723.75
  5. Step 5: Solve for x
    x = 412,812,354,905,723.75/16,842,808.40
  6. Step 6: Final answer
    x = 24,509,710.32

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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.