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Finding the Fourth Proportional to 9,988.04, 14,984.82 and 4,366.20

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Solution

The fourth proportional to 9,988.04, 14,984.82 and 4,366.20 is: 6,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.04 : 14,984.82 = 4,366.20 : x
  2. Step 2: Convert to fraction form
    9,988.04/14,984.82 = 4,366.20/x
  3. Step 3: Cross multiply
    9,988.04x = 14,984.82 × 4,366.20
  4. Step 4: Simplify right side
    9,988.04x = 65,426,721.08
  5. Step 5: Solve for x
    x = 65,426,721.08/9,988.04
  6. Step 6: Final answer
    x = 6,550.51

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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.