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Finding the Fourth Proportional to 6,444.36, 8,888.28 and 4,319.22

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Solution

The fourth proportional to 6,444.36, 8,888.28 and 4,319.22 is: 5,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.36 : 8,888.28 = 4,319.22 : x
  2. Step 2: Convert to fraction form
    6,444.36/8,888.28 = 4,319.22/x
  3. Step 3: Cross multiply
    6,444.36x = 8,888.28 × 4,319.22
  4. Step 4: Simplify right side
    6,444.36x = 38,390,478.17
  5. Step 5: Solve for x
    x = 38,390,478.17/6,444.36
  6. Step 6: Final answer
    x = 5,957.22

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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.