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Finding the Fourth Proportional to 68,952.19, 103,434.23 and 19,032.29

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Solution

The fourth proportional to 68,952.19, 103,434.23 and 19,032.29 is: 28,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952.19 : 103,434.23 = 19,032.29 : x
  2. Step 2: Convert to fraction form
    68,952.19/103,434.23 = 19,032.29/x
  3. Step 3: Cross multiply
    68,952.19x = 103,434.23 × 19,032.29
  4. Step 4: Simplify right side
    68,952.19x = 1,968,590,261.29
  5. Step 5: Solve for x
    x = 1,968,590,261.29/68,952.19
  6. Step 6: Final answer
    x = 28,550.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.