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Finding the Fourth Proportional to 63,307.68, 87,386.58 and 36,460.89

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Solution

The fourth proportional to 63,307.68, 87,386.58 and 36,460.89 is: 50,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,307.68 : 87,386.58 = 36,460.89 : x
  2. Step 2: Convert to fraction form
    63,307.68/87,386.58 = 36,460.89/x
  3. Step 3: Cross multiply
    63,307.68x = 87,386.58 × 36,460.89
  4. Step 4: Simplify right side
    63,307.68x = 3,186,192,480.86
  5. Step 5: Solve for x
    x = 3,186,192,480.86/63,307.68
  6. Step 6: Final answer
    x = 50,328.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.