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Finding the Fourth Proportional to 29,368.01, 40,527.47 and 15,939.77

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Solution

The fourth proportional to 29,368.01, 40,527.47 and 15,939.77 is: 21,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.01 : 40,527.47 = 15,939.77 : x
  2. Step 2: Convert to fraction form
    29,368.01/40,527.47 = 15,939.77/x
  3. Step 3: Cross multiply
    29,368.01x = 40,527.47 × 15,939.77
  4. Step 4: Simplify right side
    29,368.01x = 645,998,387.69
  5. Step 5: Solve for x
    x = 645,998,387.69/29,368.01
  6. Step 6: Final answer
    x = 21,996.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.