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Finding the Fourth Proportional to 38,848.06, 53,813.36 and 38,060.74

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Solution

The fourth proportional to 38,848.06, 53,813.36 and 38,060.74 is: 52,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848.06 : 53,813.36 = 38,060.74 : x
  2. Step 2: Convert to fraction form
    38,848.06/53,813.36 = 38,060.74/x
  3. Step 3: Cross multiply
    38,848.06x = 53,813.36 × 38,060.74
  4. Step 4: Simplify right side
    38,848.06x = 2,048,176,303.49
  5. Step 5: Solve for x
    x = 2,048,176,303.49/38,848.06
  6. Step 6: Final answer
    x = 52,722.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.