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Finding the Fourth Proportional to 59,953.72, 89,929.12 and 15,580.32

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Solution

The fourth proportional to 59,953.72, 89,929.12 and 15,580.32 is: 23,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,953.72 : 89,929.12 = 15,580.32 : x
  2. Step 2: Convert to fraction form
    59,953.72/89,929.12 = 15,580.32/x
  3. Step 3: Cross multiply
    59,953.72x = 89,929.12 × 15,580.32
  4. Step 4: Simplify right side
    59,953.72x = 1,401,124,466.92
  5. Step 5: Solve for x
    x = 1,401,124,466.92/59,953.72
  6. Step 6: Final answer
    x = 23,370.10

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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.