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Finding the Fourth Proportional to 51,259.08, 70,737.54 and 28,903.08

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Solution

The fourth proportional to 51,259.08, 70,737.54 and 28,903.08 is: 39,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.08 : 70,737.54 = 28,903.08 : x
  2. Step 2: Convert to fraction form
    51,259.08/70,737.54 = 28,903.08/x
  3. Step 3: Cross multiply
    51,259.08x = 70,737.54 × 28,903.08
  4. Step 4: Simplify right side
    51,259.08x = 2,044,532,777.62
  5. Step 5: Solve for x
    x = 2,044,532,777.62/51,259.08
  6. Step 6: Final answer
    x = 39,886.26

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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.