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Finding the Fourth Proportional to 65,888.87, 90,925.79 and 35,673.50

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Solution

The fourth proportional to 65,888.87, 90,925.79 and 35,673.50 is: 49,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.87 : 90,925.79 = 35,673.50 : x
  2. Step 2: Convert to fraction form
    65,888.87/90,925.79 = 35,673.50/x
  3. Step 3: Cross multiply
    65,888.87x = 90,925.79 × 35,673.50
  4. Step 4: Simplify right side
    65,888.87x = 3,243,640,536.57
  5. Step 5: Solve for x
    x = 3,243,640,536.57/65,888.87
  6. Step 6: Final answer
    x = 49,228.96

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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.