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Finding the Fourth Proportional to 58,093.40, 87,088.54 and 20,648.52

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Solution

The fourth proportional to 58,093.40, 87,088.54 and 20,648.52 is: 30,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,093.40 : 87,088.54 = 20,648.52 : x
  2. Step 2: Convert to fraction form
    58,093.40/87,088.54 = 20,648.52/x
  3. Step 3: Cross multiply
    58,093.40x = 87,088.54 × 20,648.52
  4. Step 4: Simplify right side
    58,093.40x = 1,798,249,459.96
  5. Step 5: Solve for x
    x = 1,798,249,459.96/58,093.40
  6. Step 6: Final answer
    x = 30,954.45

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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.