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Finding the Fourth Proportional to 10,655.73, 14,698.41 and 7,070.88

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Solution

The fourth proportional to 10,655.73, 14,698.41 and 7,070.88 is: 9,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.73 : 14,698.41 = 7,070.88 : x
  2. Step 2: Convert to fraction form
    10,655.73/14,698.41 = 7,070.88/x
  3. Step 3: Cross multiply
    10,655.73x = 14,698.41 × 7,070.88
  4. Step 4: Simplify right side
    10,655.73x = 103,930,693.30
  5. Step 5: Solve for x
    x = 103,930,693.30/10,655.73
  6. Step 6: Final answer
    x = 9,753.50

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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.