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Finding the Fourth Proportional to 32,670.30, 48,943.62 and 19,303.32

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Solution

The fourth proportional to 32,670.30, 48,943.62 and 19,303.32 is: 28,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.30 : 48,943.62 = 19,303.32 : x
  2. Step 2: Convert to fraction form
    32,670.30/48,943.62 = 19,303.32/x
  3. Step 3: Cross multiply
    32,670.30x = 48,943.62 × 19,303.32
  4. Step 4: Simplify right side
    32,670.30x = 944,774,358.82
  5. Step 5: Solve for x
    x = 944,774,358.82/32,670.30
  6. Step 6: Final answer
    x = 28,918.45

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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.