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Finding the Fourth Proportional to 64,167.90, 88,549.13 and 35,485.68

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Solution

The fourth proportional to 64,167.90, 88,549.13 and 35,485.68 is: 48,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.90 : 88,549.13 = 35,485.68 : x
  2. Step 2: Convert to fraction form
    64,167.90/88,549.13 = 35,485.68/x
  3. Step 3: Cross multiply
    64,167.90x = 88,549.13 × 35,485.68
  4. Step 4: Simplify right side
    64,167.90x = 3,142,226,014.14
  5. Step 5: Solve for x
    x = 3,142,226,014.14/64,167.90
  6. Step 6: Final answer
    x = 48,968.82

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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.