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Finding the Fourth Proportional to 32,643.94, 45,045.06 and 19,219.42

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Solution

The fourth proportional to 32,643.94, 45,045.06 and 19,219.42 is: 26,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,643.94 : 45,045.06 = 19,219.42 : x
  2. Step 2: Convert to fraction form
    32,643.94/45,045.06 = 19,219.42/x
  3. Step 3: Cross multiply
    32,643.94x = 45,045.06 × 19,219.42
  4. Step 4: Simplify right side
    32,643.94x = 865,739,927.07
  5. Step 5: Solve for x
    x = 865,739,927.07/32,643.94
  6. Step 6: Final answer
    x = 26,520.69

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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.