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Finding the Fourth Proportional to 60,871.72, 91,307.58 and 16,498.47

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Solution

The fourth proportional to 60,871.72, 91,307.58 and 16,498.47 is: 24,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,871.72 : 91,307.58 = 16,498.47 : x
  2. Step 2: Convert to fraction form
    60,871.72/91,307.58 = 16,498.47/x
  3. Step 3: Cross multiply
    60,871.72x = 91,307.58 × 16,498.47
  4. Step 4: Simplify right side
    60,871.72x = 1,506,435,742.74
  5. Step 5: Solve for x
    x = 1,506,435,742.74/60,871.72
  6. Step 6: Final answer
    x = 24,747.71

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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.