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Finding the Fourth Proportional to 9,798.58, 14,688.99 and 6,289.58

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Solution

The fourth proportional to 9,798.58, 14,688.99 and 6,289.58 is: 9,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.58 : 14,688.99 = 6,289.58 : x
  2. Step 2: Convert to fraction form
    9,798.58/14,688.99 = 6,289.58/x
  3. Step 3: Cross multiply
    9,798.58x = 14,688.99 × 6,289.58
  4. Step 4: Simplify right side
    9,798.58x = 92,387,614.45
  5. Step 5: Solve for x
    x = 92,387,614.45/9,798.58
  6. Step 6: Final answer
    x = 9,428.67

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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.