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Finding the Fourth Proportional to 59,412.71, 89,114.73 and 21,955.32

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Solution

The fourth proportional to 59,412.71, 89,114.73 and 21,955.32 is: 32,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,412.71 : 89,114.73 = 21,955.32 : x
  2. Step 2: Convert to fraction form
    59,412.71/89,114.73 = 21,955.32/x
  3. Step 3: Cross multiply
    59,412.71x = 89,114.73 × 21,955.32
  4. Step 4: Simplify right side
    59,412.71x = 1,956,542,455.03
  5. Step 5: Solve for x
    x = 1,956,542,455.03/59,412.71
  6. Step 6: Final answer
    x = 32,931.38

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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.