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Finding the Fourth Proportional to 32,656.61, 45,066.64 and 18,319.63

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Solution

The fourth proportional to 32,656.61, 45,066.64 and 18,319.63 is: 25,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,656.61 : 45,066.64 = 18,319.63 : x
  2. Step 2: Convert to fraction form
    32,656.61/45,066.64 = 18,319.63/x
  3. Step 3: Cross multiply
    32,656.61x = 45,066.64 × 18,319.63
  4. Step 4: Simplify right side
    32,656.61x = 825,603,952.25
  5. Step 5: Solve for x
    x = 825,603,952.25/32,656.61
  6. Step 6: Final answer
    x = 25,281.37

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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.