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Finding the Fourth Proportional to 71,348.84, 98,527.58 and 53,412.71

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Solution

The fourth proportional to 71,348.84, 98,527.58 and 53,412.71 is: 73,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.84 : 98,527.58 = 53,412.71 : x
  2. Step 2: Convert to fraction form
    71,348.84/98,527.58 = 53,412.71/x
  3. Step 3: Cross multiply
    71,348.84x = 98,527.58 × 53,412.71
  4. Step 4: Simplify right side
    71,348.84x = 5,262,624,564.90
  5. Step 5: Solve for x
    x = 5,262,624,564.90/71,348.84
  6. Step 6: Final answer
    x = 73,759.08

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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.