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Finding the Fourth Proportional to 56,435.76, 77,889.42 and 32,570.64

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Solution

The fourth proportional to 56,435.76, 77,889.42 and 32,570.64 is: 44,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.76 : 77,889.42 = 32,570.64 : x
  2. Step 2: Convert to fraction form
    56,435.76/77,889.42 = 32,570.64/x
  3. Step 3: Cross multiply
    56,435.76x = 77,889.42 × 32,570.64
  4. Step 4: Simplify right side
    56,435.76x = 2,536,908,258.63
  5. Step 5: Solve for x
    x = 2,536,908,258.63/56,435.76
  6. Step 6: Final answer
    x = 44,952.14

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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.