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Finding the Fourth Proportional to 8,725.68, 12,041.93 and 4,746.72

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Solution

The fourth proportional to 8,725.68, 12,041.93 and 4,746.72 is: 6,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.68 : 12,041.93 = 4,746.72 : x
  2. Step 2: Convert to fraction form
    8,725.68/12,041.93 = 4,746.72/x
  3. Step 3: Cross multiply
    8,725.68x = 12,041.93 × 4,746.72
  4. Step 4: Simplify right side
    8,725.68x = 57,159,669.97
  5. Step 5: Solve for x
    x = 57,159,669.97/8,725.68
  6. Step 6: Final answer
    x = 6,550.74

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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.