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Finding the Fourth Proportional to 77,009.84, 115,514.76 and 32,635.60

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Solution

The fourth proportional to 77,009.84, 115,514.76 and 32,635.60 is: 48,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,009.84 : 115,514.76 = 32,635.60 : x
  2. Step 2: Convert to fraction form
    77,009.84/115,514.76 = 32,635.60/x
  3. Step 3: Cross multiply
    77,009.84x = 115,514.76 × 32,635.60
  4. Step 4: Simplify right side
    77,009.84x = 3,769,893,501.46
  5. Step 5: Solve for x
    x = 3,769,893,501.46/77,009.84
  6. Step 6: Final answer
    x = 48,953.40

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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.