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Finding the Fourth Proportional to 14,342.70, 19,802.46 and 10,570.12

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Solution

The fourth proportional to 14,342.70, 19,802.46 and 10,570.12 is: 14,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.70 : 19,802.46 = 10,570.12 : x
  2. Step 2: Convert to fraction form
    14,342.70/19,802.46 = 10,570.12/x
  3. Step 3: Cross multiply
    14,342.70x = 19,802.46 × 10,570.12
  4. Step 4: Simplify right side
    14,342.70x = 209,314,378.50
  5. Step 5: Solve for x
    x = 209,314,378.50/14,342.70
  6. Step 6: Final answer
    x = 14,593.79

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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.