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Finding the Fourth Proportional to 5,856.63, 8,710.28 and 5,708.86

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Solution

The fourth proportional to 5,856.63, 8,710.28 and 5,708.86 is: 8,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.63 : 8,710.28 = 5,708.86 : x
  2. Step 2: Convert to fraction form
    5,856.63/8,710.28 = 5,708.86/x
  3. Step 3: Cross multiply
    5,856.63x = 8,710.28 × 5,708.86
  4. Step 4: Simplify right side
    5,856.63x = 49,725,718.76
  5. Step 5: Solve for x
    x = 49,725,718.76/5,856.63
  6. Step 6: Final answer
    x = 8,490.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.