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Finding the Fourth Proportional to 67,200.84, 92,638.80 and 46,994.88

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Solution

The fourth proportional to 67,200.84, 92,638.80 and 46,994.88 is: 64,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.84 : 92,638.80 = 46,994.88 : x
  2. Step 2: Convert to fraction form
    67,200.84/92,638.80 = 46,994.88/x
  3. Step 3: Cross multiply
    67,200.84x = 92,638.80 × 46,994.88
  4. Step 4: Simplify right side
    67,200.84x = 4,353,549,289.34
  5. Step 5: Solve for x
    x = 4,353,549,289.34/67,200.84
  6. Step 6: Final answer
    x = 64,784.15

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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.