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Finding the Fourth Proportional to 28,547.01, 42,824.61 and 8,827.10

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Solution

The fourth proportional to 28,547.01, 42,824.61 and 8,827.10 is: 13,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.01 : 42,824.61 = 8,827.10 : x
  2. Step 2: Convert to fraction form
    28,547.01/42,824.61 = 8,827.10/x
  3. Step 3: Cross multiply
    28,547.01x = 42,824.61 × 8,827.10
  4. Step 4: Simplify right side
    28,547.01x = 378,017,194.26
  5. Step 5: Solve for x
    x = 378,017,194.26/28,547.01
  6. Step 6: Final answer
    x = 13,241.92

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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.