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Finding the Fourth Proportional to 42,300.68, 63,548.22 and 29,849.32

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Solution

The fourth proportional to 42,300.68, 63,548.22 and 29,849.32 is: 44,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,300.68 : 63,548.22 = 29,849.32 : x
  2. Step 2: Convert to fraction form
    42,300.68/63,548.22 = 29,849.32/x
  3. Step 3: Cross multiply
    42,300.68x = 63,548.22 × 29,849.32
  4. Step 4: Simplify right side
    42,300.68x = 1,896,871,154.21
  5. Step 5: Solve for x
    x = 1,896,871,154.21/42,300.68
  6. Step 6: Final answer
    x = 44,842.57

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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.