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Finding the Fourth Proportional to 74,746.27, 112,119.81 and 19,342.27

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Solution

The fourth proportional to 74,746.27, 112,119.81 and 19,342.27 is: 29,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.27 : 112,119.81 = 19,342.27 : x
  2. Step 2: Convert to fraction form
    74,746.27/112,119.81 = 19,342.27/x
  3. Step 3: Cross multiply
    74,746.27x = 112,119.81 × 19,342.27
  4. Step 4: Simplify right side
    74,746.27x = 2,168,651,074.31
  5. Step 5: Solve for x
    x = 2,168,651,074.31/74,746.27
  6. Step 6: Final answer
    x = 29,013.50

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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.