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Finding the Fourth Proportional to 14,978.18, 22,467.27 and 6,210.74

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Solution

The fourth proportional to 14,978.18, 22,467.27 and 6,210.74 is: 9,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.18 : 22,467.27 = 6,210.74 : x
  2. Step 2: Convert to fraction form
    14,978.18/22,467.27 = 6,210.74/x
  3. Step 3: Cross multiply
    14,978.18x = 22,467.27 × 6,210.74
  4. Step 4: Simplify right side
    14,978.18x = 139,538,372.48
  5. Step 5: Solve for x
    x = 139,538,372.48/14,978.18
  6. Step 6: Final answer
    x = 9,316.11

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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.