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Finding the Fourth Proportional to 14,368.59, 21,565.92 and 7,353.45

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Solution

The fourth proportional to 14,368.59, 21,565.92 and 7,353.45 is: 11,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.59 : 21,565.92 = 7,353.45 : x
  2. Step 2: Convert to fraction form
    14,368.59/21,565.92 = 7,353.45/x
  3. Step 3: Cross multiply
    14,368.59x = 21,565.92 × 7,353.45
  4. Step 4: Simplify right side
    14,368.59x = 158,583,914.42
  5. Step 5: Solve for x
    x = 158,583,914.42/14,368.59
  6. Step 6: Final answer
    x = 11,036.85

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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.