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Finding the Fourth Proportional to 67,374.36, 92,973.18 and 38,674.10

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Solution

The fourth proportional to 67,374.36, 92,973.18 and 38,674.10 is: 53,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,374.36 : 92,973.18 = 38,674.10 : x
  2. Step 2: Convert to fraction form
    67,374.36/92,973.18 = 38,674.10/x
  3. Step 3: Cross multiply
    67,374.36x = 92,973.18 × 38,674.10
  4. Step 4: Simplify right side
    67,374.36x = 3,595,653,595.77
  5. Step 5: Solve for x
    x = 3,595,653,595.77/67,374.36
  6. Step 6: Final answer
    x = 53,368.28

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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.