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Finding the Fourth Proportional to 4,329.92, 5,973.72 and 3,547.28

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Solution

The fourth proportional to 4,329.92, 5,973.72 and 3,547.28 is: 4,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.92 : 5,973.72 = 3,547.28 : x
  2. Step 2: Convert to fraction form
    4,329.92/5,973.72 = 3,547.28/x
  3. Step 3: Cross multiply
    4,329.92x = 5,973.72 × 3,547.28
  4. Step 4: Simplify right side
    4,329.92x = 21,190,457.48
  5. Step 5: Solve for x
    x = 21,190,457.48/4,329.92
  6. Step 6: Final answer
    x = 4,893.96

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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.