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Finding the Fourth Proportional to 44,302.40, 66,463.20 and 14,715.20

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Solution

The fourth proportional to 44,302.40, 66,463.20 and 14,715.20 is: 22,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,302.40 : 66,463.20 = 14,715.20 : x
  2. Step 2: Convert to fraction form
    44,302.40/66,463.20 = 14,715.20/x
  3. Step 3: Cross multiply
    44,302.40x = 66,463.20 × 14,715.20
  4. Step 4: Simplify right side
    44,302.40x = 978,019,280.64
  5. Step 5: Solve for x
    x = 978,019,280.64/44,302.40
  6. Step 6: Final answer
    x = 22,075.99

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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.