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Finding the Fourth Proportional to 55,560.70, 83,341.05 and 14,007.70

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Solution

The fourth proportional to 55,560.70, 83,341.05 and 14,007.70 is: 21,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.70 : 83,341.05 = 14,007.70 : x
  2. Step 2: Convert to fraction form
    55,560.70/83,341.05 = 14,007.70/x
  3. Step 3: Cross multiply
    55,560.70x = 83,341.05 × 14,007.70
  4. Step 4: Simplify right side
    55,560.70x = 1,167,416,426.09
  5. Step 5: Solve for x
    x = 1,167,416,426.09/55,560.70
  6. Step 6: Final answer
    x = 21,011.55

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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.