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Finding the Fourth Proportional to 14,547.60, 21,810.06 and 7,524.90

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Solution

The fourth proportional to 14,547.60, 21,810.06 and 7,524.90 is: 11,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.60 : 21,810.06 = 7,524.90 : x
  2. Step 2: Convert to fraction form
    14,547.60/21,810.06 = 7,524.90/x
  3. Step 3: Cross multiply
    14,547.60x = 21,810.06 × 7,524.90
  4. Step 4: Simplify right side
    14,547.60x = 164,118,520.49
  5. Step 5: Solve for x
    x = 164,118,520.49/14,547.60
  6. Step 6: Final answer
    x = 11,281.48

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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.