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Finding the Fourth Proportional to 5,886.45, 8,870.50 and 5,332.86

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Solution

The fourth proportional to 5,886.45, 8,870.50 and 5,332.86 is: 8,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.45 : 8,870.50 = 5,332.86 : x
  2. Step 2: Convert to fraction form
    5,886.45/8,870.50 = 5,332.86/x
  3. Step 3: Cross multiply
    5,886.45x = 8,870.50 × 5,332.86
  4. Step 4: Simplify right side
    5,886.45x = 47,305,134.63
  5. Step 5: Solve for x
    x = 47,305,134.63/5,886.45
  6. Step 6: Final answer
    x = 8,036.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.