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Finding the Fourth Proportional to 14,987.95, 22,470.99 and 6,210.79

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Solution

The fourth proportional to 14,987.95, 22,470.99 and 6,210.79 is: 9,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.95 : 22,470.99 = 6,210.79 : x
  2. Step 2: Convert to fraction form
    14,987.95/22,470.99 = 6,210.79/x
  3. Step 3: Cross multiply
    14,987.95x = 22,470.99 × 6,210.79
  4. Step 4: Simplify right side
    14,987.95x = 139,562,599.98
  5. Step 5: Solve for x
    x = 139,562,599.98/14,987.95
  6. Step 6: Final answer
    x = 9,311.65

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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.