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Finding the Fourth Proportional to 56,242.80, 84,461.40 and 29,998.80

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Solution

The fourth proportional to 56,242.80, 84,461.40 and 29,998.80 is: 45,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,242.80 : 84,461.40 = 29,998.80 : x
  2. Step 2: Convert to fraction form
    56,242.80/84,461.40 = 29,998.80/x
  3. Step 3: Cross multiply
    56,242.80x = 84,461.40 × 29,998.80
  4. Step 4: Simplify right side
    56,242.80x = 2,533,740,646.32
  5. Step 5: Solve for x
    x = 2,533,740,646.32/56,242.80
  6. Step 6: Final answer
    x = 45,050.04

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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.