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Finding the Fourth Proportional to 10,000.54, 14,995.50 and 4,455.58

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Solution

The fourth proportional to 10,000.54, 14,995.50 and 4,455.58 is: 6,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.54 : 14,995.50 = 4,455.58 : x
  2. Step 2: Convert to fraction form
    10,000.54/14,995.50 = 4,455.58/x
  3. Step 3: Cross multiply
    10,000.54x = 14,995.50 × 4,455.58
  4. Step 4: Simplify right side
    10,000.54x = 66,813,649.89
  5. Step 5: Solve for x
    x = 66,813,649.89/10,000.54
  6. Step 6: Final answer
    x = 6,681.00

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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.