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Finding the Fourth Proportional to 52,345.71, 72,230.52 and 35,386.86

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Solution

The fourth proportional to 52,345.71, 72,230.52 and 35,386.86 is: 48,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,345.71 : 72,230.52 = 35,386.86 : x
  2. Step 2: Convert to fraction form
    52,345.71/72,230.52 = 35,386.86/x
  3. Step 3: Cross multiply
    52,345.71x = 72,230.52 × 35,386.86
  4. Step 4: Simplify right side
    52,345.71x = 2,556,010,937.81
  5. Step 5: Solve for x
    x = 2,556,010,937.81/52,345.71
  6. Step 6: Final answer
    x = 48,829.43

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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.