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Finding the Fourth Proportional to 56,686.10, 85,029.15 and 14,566.10

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Solution

The fourth proportional to 56,686.10, 85,029.15 and 14,566.10 is: 21,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.10 : 85,029.15 = 14,566.10 : x
  2. Step 2: Convert to fraction form
    56,686.10/85,029.15 = 14,566.10/x
  3. Step 3: Cross multiply
    56,686.10x = 85,029.15 × 14,566.10
  4. Step 4: Simplify right side
    56,686.10x = 1,238,543,101.82
  5. Step 5: Solve for x
    x = 1,238,543,101.82/56,686.10
  6. Step 6: Final answer
    x = 21,849.15

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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.