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Finding the Fourth Proportional to 22,956.81, 34,434.80 and 13,075.01

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Solution

The fourth proportional to 22,956.81, 34,434.80 and 13,075.01 is: 19,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956.81 : 34,434.80 = 13,075.01 : x
  2. Step 2: Convert to fraction form
    22,956.81/34,434.80 = 13,075.01/x
  3. Step 3: Cross multiply
    22,956.81x = 34,434.80 × 13,075.01
  4. Step 4: Simplify right side
    22,956.81x = 450,235,354.35
  5. Step 5: Solve for x
    x = 450,235,354.35/22,956.81
  6. Step 6: Final answer
    x = 19,612.28

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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.