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Finding the Fourth Proportional to 65,925.56, 90,977.71 and 35,710.88

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Solution

The fourth proportional to 65,925.56, 90,977.71 and 35,710.88 is: 49,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925.56 : 90,977.71 = 35,710.88 : x
  2. Step 2: Convert to fraction form
    65,925.56/90,977.71 = 35,710.88/x
  3. Step 3: Cross multiply
    65,925.56x = 90,977.71 × 35,710.88
  4. Step 4: Simplify right side
    65,925.56x = 3,248,894,356.57
  5. Step 5: Solve for x
    x = 3,248,894,356.57/65,925.56
  6. Step 6: Final answer
    x = 49,281.25

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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.