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Finding the Fourth Proportional to 64,484.04, 88,992.18 and 36,191.64

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Solution

The fourth proportional to 64,484.04, 88,992.18 and 36,191.64 is: 49,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,484.04 : 88,992.18 = 36,191.64 : x
  2. Step 2: Convert to fraction form
    64,484.04/88,992.18 = 36,191.64/x
  3. Step 3: Cross multiply
    64,484.04x = 88,992.18 × 36,191.64
  4. Step 4: Simplify right side
    64,484.04x = 3,220,772,941.38
  5. Step 5: Solve for x
    x = 3,220,772,941.38/64,484.04
  6. Step 6: Final answer
    x = 49,946.82

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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.