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Finding the Fourth Proportional to 8,725.77, 12,041.55 and 4,746.87

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Solution

The fourth proportional to 8,725.77, 12,041.55 and 4,746.87 is: 6,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.77 : 12,041.55 = 4,746.87 : x
  2. Step 2: Convert to fraction form
    8,725.77/12,041.55 = 4,746.87/x
  3. Step 3: Cross multiply
    8,725.77x = 12,041.55 × 4,746.87
  4. Step 4: Simplify right side
    8,725.77x = 57,159,672.45
  5. Step 5: Solve for x
    x = 57,159,672.45/8,725.77
  6. Step 6: Final answer
    x = 6,550.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.