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Finding the Fourth Proportional to 63,242.16, 87,273.28 and 34,948.32

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Solution

The fourth proportional to 63,242.16, 87,273.28 and 34,948.32 is: 48,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,242.16 : 87,273.28 = 34,948.32 : x
  2. Step 2: Convert to fraction form
    63,242.16/87,273.28 = 34,948.32/x
  3. Step 3: Cross multiply
    63,242.16x = 87,273.28 × 34,948.32
  4. Step 4: Simplify right side
    63,242.16x = 3,050,054,516.89
  5. Step 5: Solve for x
    x = 3,050,054,516.89/63,242.16
  6. Step 6: Final answer
    x = 48,228.18

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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.