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Finding the Fourth Proportional to 53,931.70, 80,909.84 and 16,497.06

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Solution

The fourth proportional to 53,931.70, 80,909.84 and 16,497.06 is: 24,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.70 : 80,909.84 = 16,497.06 : x
  2. Step 2: Convert to fraction form
    53,931.70/80,909.84 = 16,497.06/x
  3. Step 3: Cross multiply
    53,931.70x = 80,909.84 × 16,497.06
  4. Step 4: Simplify right side
    53,931.70x = 1,334,774,485.07
  5. Step 5: Solve for x
    x = 1,334,774,485.07/53,931.70
  6. Step 6: Final answer
    x = 24,749.35

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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.