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Finding the Fourth Proportional to 62,895.89, 86,808.71 and 36,056.40

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Solution

The fourth proportional to 62,895.89, 86,808.71 and 36,056.40 is: 49,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,895.89 : 86,808.71 = 36,056.40 : x
  2. Step 2: Convert to fraction form
    62,895.89/86,808.71 = 36,056.40/x
  3. Step 3: Cross multiply
    62,895.89x = 86,808.71 × 36,056.40
  4. Step 4: Simplify right side
    62,895.89x = 3,130,009,661.39
  5. Step 5: Solve for x
    x = 3,130,009,661.39/62,895.89
  6. Step 6: Final answer
    x = 49,764.94

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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.