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Finding the Fourth Proportional to 37,528, 51,788.64 and 20,762.08

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Solution

The fourth proportional to 37,528, 51,788.64 and 20,762.08 is: 28,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,528 : 51,788.64 = 20,762.08 : x
  2. Step 2: Convert to fraction form
    37,528/51,788.64 = 20,762.08/x
  3. Step 3: Cross multiply
    37,528x = 51,788.64 × 20,762.08
  4. Step 4: Simplify right side
    37,528x = 1,075,239,886.77
  5. Step 5: Solve for x
    x = 1,075,239,886.77/37,528
  6. Step 6: Final answer
    x = 28,651.67

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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.