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Finding the Fourth Proportional to 38,405.38, 53,011.38 and 22,484.02

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Solution

The fourth proportional to 38,405.38, 53,011.38 and 22,484.02 is: 31,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.38 : 53,011.38 = 22,484.02 : x
  2. Step 2: Convert to fraction form
    38,405.38/53,011.38 = 22,484.02/x
  3. Step 3: Cross multiply
    38,405.38x = 53,011.38 × 22,484.02
  4. Step 4: Simplify right side
    38,405.38x = 1,191,908,928.15
  5. Step 5: Solve for x
    x = 1,191,908,928.15/38,405.38
  6. Step 6: Final answer
    x = 31,034.95

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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.