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Finding the Fourth Proportional to 60,780.60, 91,127.70 and 23,326.20

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Solution

The fourth proportional to 60,780.60, 91,127.70 and 23,326.20 is: 34,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,780.60 : 91,127.70 = 23,326.20 : x
  2. Step 2: Convert to fraction form
    60,780.60/91,127.70 = 23,326.20/x
  3. Step 3: Cross multiply
    60,780.60x = 91,127.70 × 23,326.20
  4. Step 4: Simplify right side
    60,780.60x = 2,125,662,955.74
  5. Step 5: Solve for x
    x = 2,125,662,955.74/60,780.60
  6. Step 6: Final answer
    x = 34,972.72

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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.