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Finding the Fourth Proportional to 14,368.53, 21,555.53 and 4,505.16

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Solution

The fourth proportional to 14,368.53, 21,555.53 and 4,505.16 is: 6,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.53 : 21,555.53 = 4,505.16 : x
  2. Step 2: Convert to fraction form
    14,368.53/21,555.53 = 4,505.16/x
  3. Step 3: Cross multiply
    14,368.53x = 21,555.53 × 4,505.16
  4. Step 4: Simplify right side
    14,368.53x = 97,111,122.80
  5. Step 5: Solve for x
    x = 97,111,122.80/14,368.53
  6. Step 6: Final answer
    x = 6,758.60

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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.