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Finding the Fourth Proportional to 39,206.40, 58,809.60 and 17,030.40

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Solution

The fourth proportional to 39,206.40, 58,809.60 and 17,030.40 is: 25,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.40 : 58,809.60 = 17,030.40 : x
  2. Step 2: Convert to fraction form
    39,206.40/58,809.60 = 17,030.40/x
  3. Step 3: Cross multiply
    39,206.40x = 58,809.60 × 17,030.40
  4. Step 4: Simplify right side
    39,206.40x = 1,001,551,011.84
  5. Step 5: Solve for x
    x = 1,001,551,011.84/39,206.40
  6. Step 6: Final answer
    x = 25,545.60

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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.