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Finding the Fourth Proportional to 58,685.79, 80,984.19 and 34,798.17

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Solution

The fourth proportional to 58,685.79, 80,984.19 and 34,798.17 is: 48,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,685.79 : 80,984.19 = 34,798.17 : x
  2. Step 2: Convert to fraction form
    58,685.79/80,984.19 = 34,798.17/x
  3. Step 3: Cross multiply
    58,685.79x = 80,984.19 × 34,798.17
  4. Step 4: Simplify right side
    58,685.79x = 2,818,101,610.93
  5. Step 5: Solve for x
    x = 2,818,101,610.93/58,685.79
  6. Step 6: Final answer
    x = 48,020.17

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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.