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Finding the Fourth Proportional to 8,700.65, 13,051.76 and 2,460.74

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Solution

The fourth proportional to 8,700.65, 13,051.76 and 2,460.74 is: 3,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.65 : 13,051.76 = 2,460.74 : x
  2. Step 2: Convert to fraction form
    8,700.65/13,051.76 = 2,460.74/x
  3. Step 3: Cross multiply
    8,700.65x = 13,051.76 × 2,460.74
  4. Step 4: Simplify right side
    8,700.65x = 32,117,008.23
  5. Step 5: Solve for x
    x = 32,117,008.23/8,700.65
  6. Step 6: Final answer
    x = 3,691.34

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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.