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Finding the Fourth Proportional to 9,332.55, 14,001.39 and 4,890.51

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Solution

The fourth proportional to 9,332.55, 14,001.39 and 4,890.51 is: 7,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.55 : 14,001.39 = 4,890.51 : x
  2. Step 2: Convert to fraction form
    9,332.55/14,001.39 = 4,890.51/x
  3. Step 3: Cross multiply
    9,332.55x = 14,001.39 × 4,890.51
  4. Step 4: Simplify right side
    9,332.55x = 68,473,937.81
  5. Step 5: Solve for x
    x = 68,473,937.81/9,332.55
  6. Step 6: Final answer
    x = 7,337.11

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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.