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Finding the Fourth Proportional to 60,859.28, 83,984.96 and 34,004.40

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Solution

The fourth proportional to 60,859.28, 83,984.96 and 34,004.40 is: 46,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,859.28 : 83,984.96 = 34,004.40 : x
  2. Step 2: Convert to fraction form
    60,859.28/83,984.96 = 34,004.40/x
  3. Step 3: Cross multiply
    60,859.28x = 83,984.96 × 34,004.40
  4. Step 4: Simplify right side
    60,859.28x = 2,855,858,173.82
  5. Step 5: Solve for x
    x = 2,855,858,173.82/60,859.28
  6. Step 6: Final answer
    x = 46,925.60

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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.