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Finding the Fourth Proportional to 58,632.40, 87,948.78 and 14,259.16

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Solution

The fourth proportional to 58,632.40, 87,948.78 and 14,259.16 is: 21,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,632.40 : 87,948.78 = 14,259.16 : x
  2. Step 2: Convert to fraction form
    58,632.40/87,948.78 = 14,259.16/x
  3. Step 3: Cross multiply
    58,632.40x = 87,948.78 × 14,259.16
  4. Step 4: Simplify right side
    58,632.40x = 1,254,075,725.82
  5. Step 5: Solve for x
    x = 1,254,075,725.82/58,632.40
  6. Step 6: Final answer
    x = 21,388.78

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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.