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Finding the Fourth Proportional to 56,356.56, 77,594.76 and 45,781.20

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Solution

The fourth proportional to 56,356.56, 77,594.76 and 45,781.20 is: 63,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.56 : 77,594.76 = 45,781.20 : x
  2. Step 2: Convert to fraction form
    56,356.56/77,594.76 = 45,781.20/x
  3. Step 3: Cross multiply
    56,356.56x = 77,594.76 × 45,781.20
  4. Step 4: Simplify right side
    56,356.56x = 3,552,381,226.51
  5. Step 5: Solve for x
    x = 3,552,381,226.51/56,356.56
  6. Step 6: Final answer
    x = 63,034.03

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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.