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Finding the Fourth Proportional to 63,490.04, 87,613.74 and 34,809.08

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Solution

The fourth proportional to 63,490.04, 87,613.74 and 34,809.08 is: 48,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.04 : 87,613.74 = 34,809.08 : x
  2. Step 2: Convert to fraction form
    63,490.04/87,613.74 = 34,809.08/x
  3. Step 3: Cross multiply
    63,490.04x = 87,613.74 × 34,809.08
  4. Step 4: Simplify right side
    63,490.04x = 3,049,753,684.76
  5. Step 5: Solve for x
    x = 3,049,753,684.76/63,490.04
  6. Step 6: Final answer
    x = 48,035.15

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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.