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Finding the Fourth Proportional to 10,000.53, 15,004.04 and 4,806.81

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Solution

The fourth proportional to 10,000.53, 15,004.04 and 4,806.81 is: 7,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.53 : 15,004.04 = 4,806.81 : x
  2. Step 2: Convert to fraction form
    10,000.53/15,004.04 = 4,806.81/x
  3. Step 3: Cross multiply
    10,000.53x = 15,004.04 × 4,806.81
  4. Step 4: Simplify right side
    10,000.53x = 72,121,545.48
  5. Step 5: Solve for x
    x = 72,121,545.48/10,000.53
  6. Step 6: Final answer
    x = 7,211.77

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1.5x scale

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.