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Finding the Fourth Proportional to 38,483.94, 53,105.04 and 22,343.88

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Solution

The fourth proportional to 38,483.94, 53,105.04 and 22,343.88 is: 30,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.94 : 53,105.04 = 22,343.88 : x
  2. Step 2: Convert to fraction form
    38,483.94/53,105.04 = 22,343.88/x
  3. Step 3: Cross multiply
    38,483.94x = 53,105.04 × 22,343.88
  4. Step 4: Simplify right side
    38,483.94x = 1,186,572,641.16
  5. Step 5: Solve for x
    x = 1,186,572,641.16/38,483.94
  6. Step 6: Final answer
    x = 30,832.93

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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.