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Finding the Fourth Proportional to 12,357.58, 17,053.32 and 6,692.22

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Solution

The fourth proportional to 12,357.58, 17,053.32 and 6,692.22 is: 9,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.58 : 17,053.32 = 6,692.22 : x
  2. Step 2: Convert to fraction form
    12,357.58/17,053.32 = 6,692.22/x
  3. Step 3: Cross multiply
    12,357.58x = 17,053.32 × 6,692.22
  4. Step 4: Simplify right side
    12,357.58x = 114,124,569.17
  5. Step 5: Solve for x
    x = 114,124,569.17/12,357.58
  6. Step 6: Final answer
    x = 9,235.19

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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.