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Finding the Fourth Proportional to 4,368.70, 6,503.67 and 4,342.78

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Solution

The fourth proportional to 4,368.70, 6,503.67 and 4,342.78 is: 6,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.70 : 6,503.67 = 4,342.78 : x
  2. Step 2: Convert to fraction form
    4,368.70/6,503.67 = 4,342.78/x
  3. Step 3: Cross multiply
    4,368.70x = 6,503.67 × 4,342.78
  4. Step 4: Simplify right side
    4,368.70x = 28,244,008.00
  5. Step 5: Solve for x
    x = 28,244,008.00/4,368.70
  6. Step 6: Final answer
    x = 6,465.08

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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.