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Finding the Fourth Proportional to 5,703.40, 8,526.29 and 5,645.80

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Solution

The fourth proportional to 5,703.40, 8,526.29 and 5,645.80 is: 8,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.40 : 8,526.29 = 5,645.80 : x
  2. Step 2: Convert to fraction form
    5,703.40/8,526.29 = 5,645.80/x
  3. Step 3: Cross multiply
    5,703.40x = 8,526.29 × 5,645.80
  4. Step 4: Simplify right side
    5,703.40x = 48,137,728.08
  5. Step 5: Solve for x
    x = 48,137,728.08/5,703.40
  6. Step 6: Final answer
    x = 8,440.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.