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Finding the Fourth Proportional to 10,851.95, 14,975.08 and 6,070.97

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Solution

The fourth proportional to 10,851.95, 14,975.08 and 6,070.97 is: 8,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.95 : 14,975.08 = 6,070.97 : x
  2. Step 2: Convert to fraction form
    10,851.95/14,975.08 = 6,070.97/x
  3. Step 3: Cross multiply
    10,851.95x = 14,975.08 × 6,070.97
  4. Step 4: Simplify right side
    10,851.95x = 90,913,283.69
  5. Step 5: Solve for x
    x = 90,913,283.69/10,851.95
  6. Step 6: Final answer
    x = 8,377.60

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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.