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Finding the Fourth Proportional to 60,487.07, 90,749.04 and 30,925.67

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Solution

The fourth proportional to 60,487.07, 90,749.04 and 30,925.67 is: 46,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.07 : 90,749.04 = 30,925.67 : x
  2. Step 2: Convert to fraction form
    60,487.07/90,749.04 = 30,925.67/x
  3. Step 3: Cross multiply
    60,487.07x = 90,749.04 × 30,925.67
  4. Step 4: Simplify right side
    60,487.07x = 2,806,474,410.11
  5. Step 5: Solve for x
    x = 2,806,474,410.11/60,487.07
  6. Step 6: Final answer
    x = 46,397.93

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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.