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Finding the Fourth Proportional to 28,096.71, 42,130.95 and 9,370.11

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Solution

The fourth proportional to 28,096.71, 42,130.95 and 9,370.11 is: 14,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.71 : 42,130.95 = 9,370.11 : x
  2. Step 2: Convert to fraction form
    28,096.71/42,130.95 = 9,370.11/x
  3. Step 3: Cross multiply
    28,096.71x = 42,130.95 × 9,370.11
  4. Step 4: Simplify right side
    28,096.71x = 394,771,635.90
  5. Step 5: Solve for x
    x = 394,771,635.90/28,096.71
  6. Step 6: Final answer
    x = 14,050.46

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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.