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Finding the Fourth Proportional to 56,527.85, 84,790.89 and 19,114.20

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Solution

The fourth proportional to 56,527.85, 84,790.89 and 19,114.20 is: 28,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.85 : 84,790.89 = 19,114.20 : x
  2. Step 2: Convert to fraction form
    56,527.85/84,790.89 = 19,114.20/x
  3. Step 3: Cross multiply
    56,527.85x = 84,790.89 × 19,114.20
  4. Step 4: Simplify right side
    56,527.85x = 1,620,710,029.64
  5. Step 5: Solve for x
    x = 1,620,710,029.64/56,527.85
  6. Step 6: Final answer
    x = 28,671.00

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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.