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Finding the Fourth Proportional to 29,502.69, 40,692.81 and 28,526.37

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Solution

The fourth proportional to 29,502.69, 40,692.81 and 28,526.37 is: 39,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,502.69 : 40,692.81 = 28,526.37 : x
  2. Step 2: Convert to fraction form
    29,502.69/40,692.81 = 28,526.37/x
  3. Step 3: Cross multiply
    29,502.69x = 40,692.81 × 28,526.37
  4. Step 4: Simplify right side
    29,502.69x = 1,160,818,154.40
  5. Step 5: Solve for x
    x = 1,160,818,154.40/29,502.69
  6. Step 6: Final answer
    x = 39,346.18

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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.