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Finding the Fourth Proportional to 83,768.76, 115,599.47 and 45,528.93

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Solution

The fourth proportional to 83,768.76, 115,599.47 and 45,528.93 is: 62,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,768.76 : 115,599.47 = 45,528.93 : x
  2. Step 2: Convert to fraction form
    83,768.76/115,599.47 = 45,528.93/x
  3. Step 3: Cross multiply
    83,768.76x = 115,599.47 × 45,528.93
  4. Step 4: Simplify right side
    83,768.76x = 5,263,119,950.02
  5. Step 5: Solve for x
    x = 5,263,119,950.02/83,768.76
  6. Step 6: Final answer
    x = 62,829.15

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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.