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Finding the Fourth Proportional to 66,010.60, 99,015.90 and 26,547.40

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Solution

The fourth proportional to 66,010.60, 99,015.90 and 26,547.40 is: 39,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.60 : 99,015.90 = 26,547.40 : x
  2. Step 2: Convert to fraction form
    66,010.60/99,015.90 = 26,547.40/x
  3. Step 3: Cross multiply
    66,010.60x = 99,015.90 × 26,547.40
  4. Step 4: Simplify right side
    66,010.60x = 2,628,614,703.66
  5. Step 5: Solve for x
    x = 2,628,614,703.66/66,010.60
  6. Step 6: Final answer
    x = 39,821.10

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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.