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Finding the Fourth Proportional to 34,886.68, 52,332.40 and 9,928.68

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Solution

The fourth proportional to 34,886.68, 52,332.40 and 9,928.68 is: 14,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.68 : 52,332.40 = 9,928.68 : x
  2. Step 2: Convert to fraction form
    34,886.68/52,332.40 = 9,928.68/x
  3. Step 3: Cross multiply
    34,886.68x = 52,332.40 × 9,928.68
  4. Step 4: Simplify right side
    34,886.68x = 519,591,653.23
  5. Step 5: Solve for x
    x = 519,591,653.23/34,886.68
  6. Step 6: Final answer
    x = 14,893.70

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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.