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Finding the Fourth Proportional to 60,177.84, 90,281.18 and 18,624.84

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Solution

The fourth proportional to 60,177.84, 90,281.18 and 18,624.84 is: 27,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,177.84 : 90,281.18 = 18,624.84 : x
  2. Step 2: Convert to fraction form
    60,177.84/90,281.18 = 18,624.84/x
  3. Step 3: Cross multiply
    60,177.84x = 90,281.18 × 18,624.84
  4. Step 4: Simplify right side
    60,177.84x = 1,681,472,532.51
  5. Step 5: Solve for x
    x = 1,681,472,532.51/60,177.84
  6. Step 6: Final answer
    x = 27,941.72

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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.