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Finding the Fourth Proportional to 60,046.76, 90,038.28 and 30,028.16

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Solution

The fourth proportional to 60,046.76, 90,038.28 and 30,028.16 is: 45,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,046.76 : 90,038.28 = 30,028.16 : x
  2. Step 2: Convert to fraction form
    60,046.76/90,038.28 = 30,028.16/x
  3. Step 3: Cross multiply
    60,046.76x = 90,038.28 × 30,028.16
  4. Step 4: Simplify right side
    60,046.76x = 2,703,683,877.96
  5. Step 5: Solve for x
    x = 2,703,683,877.96/60,046.76
  6. Step 6: Final answer
    x = 45,026.31

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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.