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Finding the Fourth Proportional to 77,065.74, 115,602.62 and 24,479.34

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Solution

The fourth proportional to 77,065.74, 115,602.62 and 24,479.34 is: 36,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,065.74 : 115,602.62 = 24,479.34 : x
  2. Step 2: Convert to fraction form
    77,065.74/115,602.62 = 24,479.34/x
  3. Step 3: Cross multiply
    77,065.74x = 115,602.62 × 24,479.34
  4. Step 4: Simplify right side
    77,065.74x = 2,829,875,839.87
  5. Step 5: Solve for x
    x = 2,829,875,839.87/77,065.74
  6. Step 6: Final answer
    x = 36,720.28

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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.