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Finding the Fourth Proportional to 56,417.31, 77,873.04 and 32,559.57

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Solution

The fourth proportional to 56,417.31, 77,873.04 and 32,559.57 is: 44,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.31 : 77,873.04 = 32,559.57 : x
  2. Step 2: Convert to fraction form
    56,417.31/77,873.04 = 32,559.57/x
  3. Step 3: Cross multiply
    56,417.31x = 77,873.04 × 32,559.57
  4. Step 4: Simplify right side
    56,417.31x = 2,535,512,696.99
  5. Step 5: Solve for x
    x = 2,535,512,696.99/56,417.31
  6. Step 6: Final answer
    x = 44,942.11

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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.