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Finding the Fourth Proportional to 26,055.81, 39,083.72 and 7,335.84

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Solution

The fourth proportional to 26,055.81, 39,083.72 and 7,335.84 is: 11,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,055.81 : 39,083.72 = 7,335.84 : x
  2. Step 2: Convert to fraction form
    26,055.81/39,083.72 = 7,335.84/x
  3. Step 3: Cross multiply
    26,055.81x = 39,083.72 × 7,335.84
  4. Step 4: Simplify right side
    26,055.81x = 286,712,026.41
  5. Step 5: Solve for x
    x = 286,712,026.41/26,055.81
  6. Step 6: Final answer
    x = 11,003.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.