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Finding the Fourth Proportional to 38,056.60, 56,809.86 and 33,391

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Solution

The fourth proportional to 38,056.60, 56,809.86 and 33,391 is: 49,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,056.60 : 56,809.86 = 33,391 : x
  2. Step 2: Convert to fraction form
    38,056.60/56,809.86 = 33,391/x
  3. Step 3: Cross multiply
    38,056.60x = 56,809.86 × 33,391
  4. Step 4: Simplify right side
    38,056.60x = 1,896,938,035.26
  5. Step 5: Solve for x
    x = 1,896,938,035.26/38,056.60
  6. Step 6: Final answer
    x = 49,845.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.