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Finding the Fourth Proportional to 7,167.04, 9,888.13 and 4,335.28

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Solution

The fourth proportional to 7,167.04, 9,888.13 and 4,335.28 is: 5,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.04 : 9,888.13 = 4,335.28 : x
  2. Step 2: Convert to fraction form
    7,167.04/9,888.13 = 4,335.28/x
  3. Step 3: Cross multiply
    7,167.04x = 9,888.13 × 4,335.28
  4. Step 4: Simplify right side
    7,167.04x = 42,867,812.23
  5. Step 5: Solve for x
    x = 42,867,812.23/7,167.04
  6. Step 6: Final answer
    x = 5,981.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.