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Finding the Fourth Proportional to 14,606.40, 21,925.80 and 8,045.40

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Solution

The fourth proportional to 14,606.40, 21,925.80 and 8,045.40 is: 12,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.40 : 21,925.80 = 8,045.40 : x
  2. Step 2: Convert to fraction form
    14,606.40/21,925.80 = 8,045.40/x
  3. Step 3: Cross multiply
    14,606.40x = 21,925.80 × 8,045.40
  4. Step 4: Simplify right side
    14,606.40x = 176,401,831.32
  5. Step 5: Solve for x
    x = 176,401,831.32/14,606.40
  6. Step 6: Final answer
    x = 12,077.02

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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.