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Finding the Fourth Proportional to 9,703.40, 14,522.70 and 8,925.80

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Solution

The fourth proportional to 9,703.40, 14,522.70 and 8,925.80 is: 13,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.40 : 14,522.70 = 8,925.80 : x
  2. Step 2: Convert to fraction form
    9,703.40/14,522.70 = 8,925.80/x
  3. Step 3: Cross multiply
    9,703.40x = 14,522.70 × 8,925.80
  4. Step 4: Simplify right side
    9,703.40x = 129,626,715.66
  5. Step 5: Solve for x
    x = 129,626,715.66/9,703.40
  6. Step 6: Final answer
    x = 13,358.90

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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.