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Finding the Fourth Proportional to 8,798.41, 12,137.74 and 5,070.25

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Solution

The fourth proportional to 8,798.41, 12,137.74 and 5,070.25 is: 6,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.41 : 12,137.74 = 5,070.25 : x
  2. Step 2: Convert to fraction form
    8,798.41/12,137.74 = 5,070.25/x
  3. Step 3: Cross multiply
    8,798.41x = 12,137.74 × 5,070.25
  4. Step 4: Simplify right side
    8,798.41x = 61,541,376.24
  5. Step 5: Solve for x
    x = 61,541,376.24/8,798.41
  6. Step 6: Final answer
    x = 6,994.60

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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.