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Finding the Fourth Proportional to 51,053.08, 70,459.58 and 28,697.08

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Solution

The fourth proportional to 51,053.08, 70,459.58 and 28,697.08 is: 39,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.08 : 70,459.58 = 28,697.08 : x
  2. Step 2: Convert to fraction form
    51,053.08/70,459.58 = 28,697.08/x
  3. Step 3: Cross multiply
    51,053.08x = 70,459.58 × 28,697.08
  4. Step 4: Simplify right side
    51,053.08x = 2,021,984,204.03
  5. Step 5: Solve for x
    x = 2,021,984,204.03/51,053.08
  6. Step 6: Final answer
    x = 39,605.53

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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.