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Finding the Fourth Proportional to 64,458.18, 88,950.90 and 35,776.16

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Solution

The fourth proportional to 64,458.18, 88,950.90 and 35,776.16 is: 49,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.18 : 88,950.90 = 35,776.16 : x
  2. Step 2: Convert to fraction form
    64,458.18/88,950.90 = 35,776.16/x
  3. Step 3: Cross multiply
    64,458.18x = 88,950.90 × 35,776.16
  4. Step 4: Simplify right side
    64,458.18x = 3,182,321,852.92
  5. Step 5: Solve for x
    x = 3,182,321,852.92/64,458.18
  6. Step 6: Final answer
    x = 49,370.34

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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.