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Finding the Fourth Proportional to 58,489.71, 87,746.40 and 19,036.23

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Solution

The fourth proportional to 58,489.71, 87,746.40 and 19,036.23 is: 28,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,489.71 : 87,746.40 = 19,036.23 : x
  2. Step 2: Convert to fraction form
    58,489.71/87,746.40 = 19,036.23/x
  3. Step 3: Cross multiply
    58,489.71x = 87,746.40 × 19,036.23
  4. Step 4: Simplify right side
    58,489.71x = 1,670,360,652.07
  5. Step 5: Solve for x
    x = 1,670,360,652.07/58,489.71
  6. Step 6: Final answer
    x = 28,558.20

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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.