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Finding the Fourth Proportional to 16,170,605.20, 24,255,907.80 and 9,793,313.20

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Solution

The fourth proportional to 16,170,605.20, 24,255,907.80 and 9,793,313.20 is: 14,689,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170,605.20 : 24,255,907.80 = 9,793,313.20 : x
  2. Step 2: Convert to fraction form
    16,170,605.20/24,255,907.80 = 9,793,313.20/x
  3. Step 3: Cross multiply
    16,170,605.20x = 24,255,907.80 × 9,793,313.20
  4. Step 4: Simplify right side
    16,170,605.20x = 237,545,702,035,722.94
  5. Step 5: Solve for x
    x = 237,545,702,035,722.94/16,170,605.20
  6. Step 6: Final answer
    x = 14,689,969.80

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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.