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Finding the Fourth Proportional to 12,600.76, 18,888.81 and 4,697.50

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Solution

The fourth proportional to 12,600.76, 18,888.81 and 4,697.50 is: 7,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.76 : 18,888.81 = 4,697.50 : x
  2. Step 2: Convert to fraction form
    12,600.76/18,888.81 = 4,697.50/x
  3. Step 3: Cross multiply
    12,600.76x = 18,888.81 × 4,697.50
  4. Step 4: Simplify right side
    12,600.76x = 88,730,184.98
  5. Step 5: Solve for x
    x = 88,730,184.98/12,600.76
  6. Step 6: Final answer
    x = 7,041.65

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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.