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Finding the Fourth Proportional to 64,681.79, 96,907.25 and 35,080.74

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Solution

The fourth proportional to 64,681.79, 96,907.25 and 35,080.74 is: 52,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681.79 : 96,907.25 = 35,080.74 : x
  2. Step 2: Convert to fraction form
    64,681.79/96,907.25 = 35,080.74/x
  3. Step 3: Cross multiply
    64,681.79x = 96,907.25 × 35,080.74
  4. Step 4: Simplify right side
    64,681.79x = 3,399,578,041.37
  5. Step 5: Solve for x
    x = 3,399,578,041.37/64,681.79
  6. Step 6: Final answer
    x = 52,558.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.