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Finding the Fourth Proportional to 14,462.60, 21,706.20 and 10,312.77

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Solution

The fourth proportional to 14,462.60, 21,706.20 and 10,312.77 is: 15,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462.60 : 21,706.20 = 10,312.77 : x
  2. Step 2: Convert to fraction form
    14,462.60/21,706.20 = 10,312.77/x
  3. Step 3: Cross multiply
    14,462.60x = 21,706.20 × 10,312.77
  4. Step 4: Simplify right side
    14,462.60x = 223,851,036.48
  5. Step 5: Solve for x
    x = 223,851,036.48/14,462.60
  6. Step 6: Final answer
    x = 15,477.92

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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.