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Finding the Fourth Proportional to 52,319.71, 78,495.90 and 17,283.97

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Solution

The fourth proportional to 52,319.71, 78,495.90 and 17,283.97 is: 25,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,319.71 : 78,495.90 = 17,283.97 : x
  2. Step 2: Convert to fraction form
    52,319.71/78,495.90 = 17,283.97/x
  3. Step 3: Cross multiply
    52,319.71x = 78,495.90 × 17,283.97
  4. Step 4: Simplify right side
    52,319.71x = 1,356,720,780.72
  5. Step 5: Solve for x
    x = 1,356,720,780.72/52,319.71
  6. Step 6: Final answer
    x = 25,931.35

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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.