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Finding the Fourth Proportional to 28,584, 39,445.93 and 16,008.75

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Solution

The fourth proportional to 28,584, 39,445.93 and 16,008.75 is: 22,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584 : 39,445.93 = 16,008.75 : x
  2. Step 2: Convert to fraction form
    28,584/39,445.93 = 16,008.75/x
  3. Step 3: Cross multiply
    28,584x = 39,445.93 × 16,008.75
  4. Step 4: Simplify right side
    28,584x = 631,480,031.89
  5. Step 5: Solve for x
    x = 631,480,031.89/28,584
  6. Step 6: Final answer
    x = 22,092.08

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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.