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Finding the Fourth Proportional to 30,803.39, 46,210.77 and 9,748.72

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Solution

The fourth proportional to 30,803.39, 46,210.77 and 9,748.72 is: 14,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.39 : 46,210.77 = 9,748.72 : x
  2. Step 2: Convert to fraction form
    30,803.39/46,210.77 = 9,748.72/x
  3. Step 3: Cross multiply
    30,803.39x = 46,210.77 × 9,748.72
  4. Step 4: Simplify right side
    30,803.39x = 450,495,915.48
  5. Step 5: Solve for x
    x = 450,495,915.48/30,803.39
  6. Step 6: Final answer
    x = 14,624.88

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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.