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Finding the Fourth Proportional to 45,988.92, 63,462.84 and 28,113.84

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Solution

The fourth proportional to 45,988.92, 63,462.84 and 28,113.84 is: 38,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,988.92 : 63,462.84 = 28,113.84 : x
  2. Step 2: Convert to fraction form
    45,988.92/63,462.84 = 28,113.84/x
  3. Step 3: Cross multiply
    45,988.92x = 63,462.84 × 28,113.84
  4. Step 4: Simplify right side
    45,988.92x = 1,784,184,129.71
  5. Step 5: Solve for x
    x = 1,784,184,129.71/45,988.92
  6. Step 6: Final answer
    x = 38,795.96

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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.