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Finding the Fourth Proportional to 45,810, 63,205.56 and 27,656.28

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Solution

The fourth proportional to 45,810, 63,205.56 and 27,656.28 is: 38,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810 : 63,205.56 = 27,656.28 : x
  2. Step 2: Convert to fraction form
    45,810/63,205.56 = 27,656.28/x
  3. Step 3: Cross multiply
    45,810x = 63,205.56 × 27,656.28
  4. Step 4: Simplify right side
    45,810x = 1,748,030,664.92
  5. Step 5: Solve for x
    x = 1,748,030,664.92/45,810
  6. Step 6: Final answer
    x = 38,158.28

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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.