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Finding the Fourth Proportional to 51,655.68, 77,483.16 and 14,719.68

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Solution

The fourth proportional to 51,655.68, 77,483.16 and 14,719.68 is: 22,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.68 : 77,483.16 = 14,719.68 : x
  2. Step 2: Convert to fraction form
    51,655.68/77,483.16 = 14,719.68/x
  3. Step 3: Cross multiply
    51,655.68x = 77,483.16 × 14,719.68
  4. Step 4: Simplify right side
    51,655.68x = 1,140,527,320.59
  5. Step 5: Solve for x
    x = 1,140,527,320.59/51,655.68
  6. Step 6: Final answer
    x = 22,079.42

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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.