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Finding the Fourth Proportional to 56,999.40, 85,499.10 and 56,027.40

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Solution

The fourth proportional to 56,999.40, 85,499.10 and 56,027.40 is: 84,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.40 : 85,499.10 = 56,027.40 : x
  2. Step 2: Convert to fraction form
    56,999.40/85,499.10 = 56,027.40/x
  3. Step 3: Cross multiply
    56,999.40x = 85,499.10 × 56,027.40
  4. Step 4: Simplify right side
    56,999.40x = 4,790,292,275.34
  5. Step 5: Solve for x
    x = 4,790,292,275.34/56,999.40
  6. Step 6: Final answer
    x = 84,041.10

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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.