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Finding the Fourth Proportional to 16,487.64, 24,728.40 and 4,798.08

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Solution

The fourth proportional to 16,487.64, 24,728.40 and 4,798.08 is: 7,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.64 : 24,728.40 = 4,798.08 : x
  2. Step 2: Convert to fraction form
    16,487.64/24,728.40 = 4,798.08/x
  3. Step 3: Cross multiply
    16,487.64x = 24,728.40 × 4,798.08
  4. Step 4: Simplify right side
    16,487.64x = 118,648,841.47
  5. Step 5: Solve for x
    x = 118,648,841.47/16,487.64
  6. Step 6: Final answer
    x = 7,196.23

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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.