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Finding the Fourth Proportional to 40,617, 56,053.62 and 22,710.90

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Solution

The fourth proportional to 40,617, 56,053.62 and 22,710.90 is: 31,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,617 : 56,053.62 = 22,710.90 : x
  2. Step 2: Convert to fraction form
    40,617/56,053.62 = 22,710.90/x
  3. Step 3: Cross multiply
    40,617x = 56,053.62 × 22,710.90
  4. Step 4: Simplify right side
    40,617x = 1,273,028,158.46
  5. Step 5: Solve for x
    x = 1,273,028,158.46/40,617
  6. Step 6: Final answer
    x = 31,342.25

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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.