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Finding the Fourth Proportional to 19,502.40, 29,188.08 and 16,222.08

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Solution

The fourth proportional to 19,502.40, 29,188.08 and 16,222.08 is: 24,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.40 : 29,188.08 = 16,222.08 : x
  2. Step 2: Convert to fraction form
    19,502.40/29,188.08 = 16,222.08/x
  3. Step 3: Cross multiply
    19,502.40x = 29,188.08 × 16,222.08
  4. Step 4: Simplify right side
    19,502.40x = 473,491,368.81
  5. Step 5: Solve for x
    x = 473,491,368.81/19,502.40
  6. Step 6: Final answer
    x = 24,278.62

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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.