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Finding the Fourth Proportional to 7,164.04, 9,886.90 and 4,370.04

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Solution

The fourth proportional to 7,164.04, 9,886.90 and 4,370.04 is: 6,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.04 : 9,886.90 = 4,370.04 : x
  2. Step 2: Convert to fraction form
    7,164.04/9,886.90 = 4,370.04/x
  3. Step 3: Cross multiply
    7,164.04x = 9,886.90 × 4,370.04
  4. Step 4: Simplify right side
    7,164.04x = 43,206,148.48
  5. Step 5: Solve for x
    x = 43,206,148.48/7,164.04
  6. Step 6: Final answer
    x = 6,030.98

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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.