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Finding the Fourth Proportional to 14,373.68, 19,841.02 and 8,407.22

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Solution

The fourth proportional to 14,373.68, 19,841.02 and 8,407.22 is: 11,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.68 : 19,841.02 = 8,407.22 : x
  2. Step 2: Convert to fraction form
    14,373.68/19,841.02 = 8,407.22/x
  3. Step 3: Cross multiply
    14,373.68x = 19,841.02 × 8,407.22
  4. Step 4: Simplify right side
    14,373.68x = 166,807,699.94
  5. Step 5: Solve for x
    x = 166,807,699.94/14,373.68
  6. Step 6: Final answer
    x = 11,605.08

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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.