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Finding the Fourth Proportional to 14,926.70, 20,955.70 and 14,926.70

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Solution

The fourth proportional to 14,926.70, 20,955.70 and 14,926.70 is: 20,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.70 : 20,955.70 = 14,926.70 : x
  2. Step 2: Convert to fraction form
    14,926.70/20,955.70 = 14,926.70/x
  3. Step 3: Cross multiply
    14,926.70x = 20,955.70 × 14,926.70
  4. Step 4: Simplify right side
    14,926.70x = 312,799,447.19
  5. Step 5: Solve for x
    x = 312,799,447.19/14,926.70
  6. Step 6: Final answer
    x = 20,955.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.