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Finding the Fourth Proportional to 14,807.78, 22,211.71 and 4,419.30

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Solution

The fourth proportional to 14,807.78, 22,211.71 and 4,419.30 is: 6,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.78 : 22,211.71 = 4,419.30 : x
  2. Step 2: Convert to fraction form
    14,807.78/22,211.71 = 4,419.30/x
  3. Step 3: Cross multiply
    14,807.78x = 22,211.71 × 4,419.30
  4. Step 4: Simplify right side
    14,807.78x = 98,160,210.00
  5. Step 5: Solve for x
    x = 98,160,210.00/14,807.78
  6. Step 6: Final answer
    x = 6,628.96

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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.