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Finding the Fourth Proportional to 58,870.02, 88,308.08 and 19,430.21

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Solution

The fourth proportional to 58,870.02, 88,308.08 and 19,430.21 is: 29,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,870.02 : 88,308.08 = 19,430.21 : x
  2. Step 2: Convert to fraction form
    58,870.02/88,308.08 = 19,430.21/x
  3. Step 3: Cross multiply
    58,870.02x = 88,308.08 × 19,430.21
  4. Step 4: Simplify right side
    58,870.02x = 1,715,844,000.41
  5. Step 5: Solve for x
    x = 1,715,844,000.41/58,870.02
  6. Step 6: Final answer
    x = 29,146.31

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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.