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Finding the Fourth Proportional to 60,913.20, 91,369.80 and 25,848.30

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Solution

The fourth proportional to 60,913.20, 91,369.80 and 25,848.30 is: 38,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,913.20 : 91,369.80 = 25,848.30 : x
  2. Step 2: Convert to fraction form
    60,913.20/91,369.80 = 25,848.30/x
  3. Step 3: Cross multiply
    60,913.20x = 91,369.80 × 25,848.30
  4. Step 4: Simplify right side
    60,913.20x = 2,361,754,001.34
  5. Step 5: Solve for x
    x = 2,361,754,001.34/60,913.20
  6. Step 6: Final answer
    x = 38,772.45

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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.