Finding the Fourth Proportional to 93,582.47, 129,128.88 and 53,296.99
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Solution
The fourth proportional to 93,582.47, 129,128.88 and 53,296.99 is: 73,541.34
Step by Step Solution
- Step 1: Write the proportion equation
93,582.47 : 129,128.88 = 53,296.99 : x - Step 2: Convert to fraction form
93,582.47/129,128.88 = 53,296.99/x - Step 3: Cross multiply
93,582.47x = 129,128.88 × 53,296.99 - Step 4: Simplify right side
93,582.47x = 6,882,180,503.11 - Step 5: Solve for x
x = 6,882,180,503.11/93,582.47 - Step 6: Final answer
x = 73,541.34
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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.