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Finding the Fourth Proportional to 10,070.60, 15,074.76 and 9,922.98

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Solution

The fourth proportional to 10,070.60, 15,074.76 and 9,922.98 is: 14,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.60 : 15,074.76 = 9,922.98 : x
  2. Step 2: Convert to fraction form
    10,070.60/15,074.76 = 9,922.98/x
  3. Step 3: Cross multiply
    10,070.60x = 15,074.76 × 9,922.98
  4. Step 4: Simplify right side
    10,070.60x = 149,586,541.98
  5. Step 5: Solve for x
    x = 149,586,541.98/10,070.60
  6. Step 6: Final answer
    x = 14,853.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.