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Finding the Fourth Proportional to 64,461.07, 88,954.56 and 35,780.65

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Solution

The fourth proportional to 64,461.07, 88,954.56 and 35,780.65 is: 49,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.07 : 88,954.56 = 35,780.65 : x
  2. Step 2: Convert to fraction form
    64,461.07/88,954.56 = 35,780.65/x
  3. Step 3: Cross multiply
    64,461.07x = 88,954.56 × 35,780.65
  4. Step 4: Simplify right side
    64,461.07x = 3,182,851,977.26
  5. Step 5: Solve for x
    x = 3,182,851,977.26/64,461.07
  6. Step 6: Final answer
    x = 49,376.34

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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.