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Finding the Fourth Proportional to 8,587.58, 11,850.64 and 5,051.00

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Solution

The fourth proportional to 8,587.58, 11,850.64 and 5,051.00 is: 6,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.58 : 11,850.64 = 5,051.00 : x
  2. Step 2: Convert to fraction form
    8,587.58/11,850.64 = 5,051.00/x
  3. Step 3: Cross multiply
    8,587.58x = 11,850.64 × 5,051.00
  4. Step 4: Simplify right side
    8,587.58x = 59,857,599.64
  5. Step 5: Solve for x
    x = 59,857,599.64/8,587.58
  6. Step 6: Final answer
    x = 6,970.26

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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.