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Finding the Fourth Proportional to 74,973.56, 112,471.86 and 25,038.20

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Solution

The fourth proportional to 74,973.56, 112,471.86 and 25,038.20 is: 37,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.56 : 112,471.86 = 25,038.20 : x
  2. Step 2: Convert to fraction form
    74,973.56/112,471.86 = 25,038.20/x
  3. Step 3: Cross multiply
    74,973.56x = 112,471.86 × 25,038.20
  4. Step 4: Simplify right side
    74,973.56x = 2,816,092,925.05
  5. Step 5: Solve for x
    x = 2,816,092,925.05/74,973.56
  6. Step 6: Final answer
    x = 37,561.15

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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.