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Finding the Fourth Proportional to 14,346.71, 19,798.19 and 7,973.18

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Solution

The fourth proportional to 14,346.71, 19,798.19 and 7,973.18 is: 11,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.71 : 19,798.19 = 7,973.18 : x
  2. Step 2: Convert to fraction form
    14,346.71/19,798.19 = 7,973.18/x
  3. Step 3: Cross multiply
    14,346.71x = 19,798.19 × 7,973.18
  4. Step 4: Simplify right side
    14,346.71x = 157,854,393.69
  5. Step 5: Solve for x
    x = 157,854,393.69/14,346.71
  6. Step 6: Final answer
    x = 11,002.83

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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.