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Finding the Fourth Proportional to 56,570.84, 84,888.90 and 30,290.24

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Solution

The fourth proportional to 56,570.84, 84,888.90 and 30,290.24 is: 45,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,570.84 : 84,888.90 = 30,290.24 : x
  2. Step 2: Convert to fraction form
    56,570.84/84,888.90 = 30,290.24/x
  3. Step 3: Cross multiply
    56,570.84x = 84,888.90 × 30,290.24
  4. Step 4: Simplify right side
    56,570.84x = 2,571,305,154.34
  5. Step 5: Solve for x
    x = 2,571,305,154.34/56,570.84
  6. Step 6: Final answer
    x = 45,452.84

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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.