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Finding the Fourth Proportional to 56,182.96, 77,525.88 and 31,030.96

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Solution

The fourth proportional to 56,182.96, 77,525.88 and 31,030.96 is: 42,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,182.96 : 77,525.88 = 31,030.96 : x
  2. Step 2: Convert to fraction form
    56,182.96/77,525.88 = 31,030.96/x
  3. Step 3: Cross multiply
    56,182.96x = 77,525.88 × 31,030.96
  4. Step 4: Simplify right side
    56,182.96x = 2,405,702,481.24
  5. Step 5: Solve for x
    x = 2,405,702,481.24/56,182.96
  6. Step 6: Final answer
    x = 42,819.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.