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Finding the Fourth Proportional to 58,298.40, 80,474.84 and 36,783.72

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Solution

The fourth proportional to 58,298.40, 80,474.84 and 36,783.72 is: 50,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,298.40 : 80,474.84 = 36,783.72 : x
  2. Step 2: Convert to fraction form
    58,298.40/80,474.84 = 36,783.72/x
  3. Step 3: Cross multiply
    58,298.40x = 80,474.84 × 36,783.72
  4. Step 4: Simplify right side
    58,298.40x = 2,960,163,981.60
  5. Step 5: Solve for x
    x = 2,960,163,981.60/58,298.40
  6. Step 6: Final answer
    x = 50,776.08

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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.