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Finding the Fourth Proportional to 6,454.95, 9,617.55 and 6,030.63

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Solution

The fourth proportional to 6,454.95, 9,617.55 and 6,030.63 is: 8,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.95 : 9,617.55 = 6,030.63 : x
  2. Step 2: Convert to fraction form
    6,454.95/9,617.55 = 6,030.63/x
  3. Step 3: Cross multiply
    6,454.95x = 9,617.55 × 6,030.63
  4. Step 4: Simplify right side
    6,454.95x = 57,999,885.56
  5. Step 5: Solve for x
    x = 57,999,885.56/6,454.95
  6. Step 6: Final answer
    x = 8,985.33

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Half scale
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Double scale
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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.