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Finding the Fourth Proportional to 58,221.40, 87,332.10 and 46,557.40

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Solution

The fourth proportional to 58,221.40, 87,332.10 and 46,557.40 is: 69,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,221.40 : 87,332.10 = 46,557.40 : x
  2. Step 2: Convert to fraction form
    58,221.40/87,332.10 = 46,557.40/x
  3. Step 3: Cross multiply
    58,221.40x = 87,332.10 × 46,557.40
  4. Step 4: Simplify right side
    58,221.40x = 4,065,955,512.54
  5. Step 5: Solve for x
    x = 4,065,955,512.54/58,221.40
  6. Step 6: Final answer
    x = 69,836.10

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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.