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Finding the Fourth Proportional to 58,885.47, 88,330.94 and 18,906.09

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Solution

The fourth proportional to 58,885.47, 88,330.94 and 18,906.09 is: 28,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,885.47 : 88,330.94 = 18,906.09 : x
  2. Step 2: Convert to fraction form
    58,885.47/88,330.94 = 18,906.09/x
  3. Step 3: Cross multiply
    58,885.47x = 88,330.94 × 18,906.09
  4. Step 4: Simplify right side
    58,885.47x = 1,669,992,259.77
  5. Step 5: Solve for x
    x = 1,669,992,259.77/58,885.47
  6. Step 6: Final answer
    x = 28,360.01

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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.