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Finding the Fourth Proportional to 56,667.80, 85,001.70 and 46,818.20

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Solution

The fourth proportional to 56,667.80, 85,001.70 and 46,818.20 is: 70,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667.80 : 85,001.70 = 46,818.20 : x
  2. Step 2: Convert to fraction form
    56,667.80/85,001.70 = 46,818.20/x
  3. Step 3: Cross multiply
    56,667.80x = 85,001.70 × 46,818.20
  4. Step 4: Simplify right side
    56,667.80x = 3,979,626,590.94
  5. Step 5: Solve for x
    x = 3,979,626,590.94/56,667.80
  6. Step 6: Final answer
    x = 70,227.30

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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.