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Finding the Fourth Proportional to 77,797.95, 116,703.06 and 38,333.55

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Solution

The fourth proportional to 77,797.95, 116,703.06 and 38,333.55 is: 57,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,797.95 : 116,703.06 = 38,333.55 : x
  2. Step 2: Convert to fraction form
    77,797.95/116,703.06 = 38,333.55/x
  3. Step 3: Cross multiply
    77,797.95x = 116,703.06 × 38,333.55
  4. Step 4: Simplify right side
    77,797.95x = 4,473,642,585.66
  5. Step 5: Solve for x
    x = 4,473,642,585.66/77,797.95
  6. Step 6: Final answer
    x = 57,503.35

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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.