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Finding the Fourth Proportional to 60,303.30, 90,459.30 and 15,929.46

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Solution

The fourth proportional to 60,303.30, 90,459.30 and 15,929.46 is: 23,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,303.30 : 90,459.30 = 15,929.46 : x
  2. Step 2: Convert to fraction form
    60,303.30/90,459.30 = 15,929.46/x
  3. Step 3: Cross multiply
    60,303.30x = 90,459.30 × 15,929.46
  4. Step 4: Simplify right side
    60,303.30x = 1,440,967,800.98
  5. Step 5: Solve for x
    x = 1,440,967,800.98/60,303.30
  6. Step 6: Final answer
    x = 23,895.34

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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.