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Finding the Fourth Proportional to 35,303.44, 48,719.16 and 19,387.60

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Solution

The fourth proportional to 35,303.44, 48,719.16 and 19,387.60 is: 26,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,303.44 : 48,719.16 = 19,387.60 : x
  2. Step 2: Convert to fraction form
    35,303.44/48,719.16 = 19,387.60/x
  3. Step 3: Cross multiply
    35,303.44x = 48,719.16 × 19,387.60
  4. Step 4: Simplify right side
    35,303.44x = 944,547,586.42
  5. Step 5: Solve for x
    x = 944,547,586.42/35,303.44
  6. Step 6: Final answer
    x = 26,755.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.